Elementary School Math Quiz: Solve Length Word Problems
20 questions · exam conditions
0:00
Solve Length Word ProblemsQuestion 1 of 20

A runner goes 29 meters, then 34 meters more. How many meters did the runner go in total?

63 meters
34 meters
62 meters
5 meters
← Back to quizzes

Elementary School Math Quiz

Elementary School Math Quiz: Solve Length Word Problems

Practice Solve Length Word Problems in Elementary School Math with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

What this quiz covers

This quiz focuses on Solve Length Word Problems, giving you a quick way to practice the rules, question types, and explanations that matter most for Elementary School Math.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

All questions

Question 1

A runner goes 29 meters, then 34 meters more. How many meters did the runner go in total?

  1. 63 meters (correct answer)
  2. 34 meters
  3. 62 meters
  4. 5 meters
Explanation: This question tests 2nd grade understanding of solving word problems involving addition and subtraction of lengths, including finding totals, differences, and remaining amounts (CCSS 2.MD.B.5: Use addition and subtraction within 100 to solve word problems involving lengths that are given in the same units). To solve a length word problem, first identify what operation is needed. If combining lengths (taping ribbons together, adding distances walked), use addition. If finding difference (how much longer, how much taller), use subtraction (larger - smaller). If finding remaining (after cutting, after using some), use subtraction (start - used = left). Then set up the equation, calculate, and state the answer with units. Addition keywords: total, altogether, combined, in all, both, together. Subtraction keywords: how much more, how much longer/taller, difference (comparison), or left, remaining, left over (take away). In this problem, a runner goes 29 meters, then 34 meters more, asking how many meters the runner went in total. To solve, add the two distances (29 + 34 = 63 meters total). The answer must include units (meters). Choice A is correct because adding 29 + 34 = 63 meters, which is the total distance the runner went. The answer 63 meters correctly states the result with proper units. Choice B represents a calculation error (29 - 34 = -5, but absolute or miscalculation to 5). This error typically happens when students don't identify correct operation from keywords, make arithmetic mistakes, don't complete all steps, use wrong numbers, forget to include units, misunderstand what question is asking for. To help students: Teach keyword identification—underline keywords that indicate operation (total/altogether = add, how much more/longer/left = subtract). Model thinking aloud: 'Goes some then more, in total—that means combine, so add. 29 + 34.' Use visual models: draw path or number line showing distances. Practice setting up equations: identify numbers and operation, write equation (29 + 34 = ?), solve, state answer with units. For comparison/difference problems, emphasize: bigger number - smaller number (48 - 35, not 35 - 48). For remaining problems, emphasize: start - used = left (50 - 18 = 32 left). Use consistent problem structure: read problem, identify operation, identify numbers, write equation, calculate, answer with units. Practice checking: Does my answer make sense? (If combining 29 and 34, answer should be bigger than both; if cutting 18 from 50, answer should be less than 50). Watch for: wrong operation selected, calculation errors (especially with regrouping), using only one number, forgetting units, answering different question than asked, subtraction direction errors, incomplete multi-step problems.

Question 2

Amir has 60 centimeters of string. He cuts off 23 centimeters to use for a craft. How much string is left?

  1. 23 centimeters
  2. 36 centimeters
  3. 37 centimeters (correct answer)
  4. 83 centimeters
Explanation: Amir has 37 centimeters of string left, since 60 minus 23 equals 37. Choosing 23 centimeters repeats the amount cut off instead of finding what remains. Choosing 36 centimeters reflects a small subtraction error near the correct answer. Choosing 83 centimeters comes from adding the two numbers instead of subtracting.

Question 3

Carlos walked 24 feet to the library, then 18 feet more to the playground. How far did Carlos walk in all?

  1. 24 feet
  2. 6 feet
  3. 41 feet
  4. 42 feet (correct answer)
Explanation: The correct answer is 42 feet, because 24 + 18 = 42. Choice A (24 feet) only counts the first distance and ignores the second walk. Choice B (6 feet) subtracts instead of adding. Choice C (41 feet) is close but one foot short of the correct total.

Question 4

Alex has a 5858 inch rope. He cuts off a 1919 inch piece and a 2323 inch piece. Then he cuts 44 more inches off the rest. How long is the rope now?

  1. 2020 inches
  2. 1616 inches
  3. 1212 inches (correct answer)
  4. 4242 inches
Explanation: The rope started at 58 inches. After cutting off 19 inches and 23 inches, 58 - 19 - 23 = 16 inches are left. Cutting 4 more inches off leaves 16 - 4 = 12 inches, so Choice C is correct. Choice A is wrong because it does not subtract enough. Choice B is wrong because it stops before the last cut. Choice D is wrong because it adds instead of subtracting.

Question 5

Sofia has a 18 inch ribbon and a 27 inch ribbon. She tapes them together to make one long ribbon. How long is the combined ribbon altogether?

  1. 44 inches
  2. 27 inches
  3. 9 inches
  4. 45 inches (correct answer)
Explanation: This question tests 2nd grade understanding of solving word problems involving addition and subtraction of lengths, including finding totals, differences, and remaining amounts (CCSS 2.MD.B.5: Use addition and subtraction within 100 to solve word problems involving lengths that are given in the same units). To solve a length word problem, first identify what operation is needed. If combining lengths (taping ribbons together, adding distances walked), use addition. If finding difference (how much longer, how much taller), use subtraction (larger - smaller). If finding remaining (after cutting, after using some), use subtraction (start - used = left). Then set up the equation, calculate, and state the answer with units. Addition keywords: total, altogether, combined, in all, both, together. Subtraction keywords: how much more, how much longer/taller, difference (comparison), or left, remaining, left over (take away). In this problem, two ribbons measuring 18 inches and 27 inches are taped together. To solve, add the two lengths (18 + 27 = 45 inches total). The answer must include units (inches). Choice A is correct because adding 18 + 27 = 45 inches, which is the total combined length of both ribbons taped together. The answer 45 inches correctly states the result with proper units. Choice B represents using wrong operation (subtracted when should add: 27 - 18 = 9 instead of adding 18 + 27 = 45). This error typically happens when students don't identify correct operation from keywords, make arithmetic mistakes, don't complete all steps, use wrong numbers, forget to include units, misunderstand what question is asking for. To help students: Teach keyword identification—underline keywords that indicate operation (total/altogether = add, how much more/longer/left = subtract). Model thinking aloud: 'Two ribbons taped together—that means combine, so add. 18 + 27.' Use visual models: draw ribbons or number line showing lengths. Practice setting up equations: identify numbers and operation, write equation (18 + 27 = ?), solve, state answer with units. For comparison/difference problems, emphasize: bigger number - smaller number (48 - 35, not 35 - 48). For remaining problems, emphasize: start - used = left (50 - 18 = 32 left). Use consistent problem structure: read problem, identify operation, identify numbers, write equation, calculate, answer with units. Practice checking: Does my answer make sense? (If combining 18 and 27, answer should be bigger than both; if cutting 18 from 50, answer should be less than 50). Watch for: wrong operation selected, calculation errors (especially with regrouping), using only one number, forgetting units, answering different question than asked, subtraction direction errors, incomplete multi-step problems.

Question 6

A desk is 4 feet long. Maya adds a 3-foot extension to it. What is the total length of the desk now?

  1. 12 feet
  2. 6 feet
  3. 7 feet (correct answer)
  4. 1 foot
Explanation: Adding the 3-foot extension to the 4-foot desk gives a total length of 7 feet. Choice A, 12 feet, is much too long for this addition. Choice B, 6 feet, does not match adding 4 and 3. Choice D, 1 foot, looks like a subtraction of 4 minus 3 instead of addition.

Question 7

Tommy walks 3434 feet from his house to the mailbox, then 1919 feet from the mailbox to his friend's house. His friend's house is 2828 feet from the park. How many feet does Tommy walk if he goes from his house to the park by way of the mailbox and his friend's house?

  1. 47 feet
  2. 53 feet
  3. 62 feet
  4. 81 feet (correct answer)
Explanation: Tommy walks 81 feet in all, because 34+19+28=8134 + 19 + 28 = 81. Choice A (47 feet) adds only the last two legs of the trip (19+2819 + 28), skipping the walk from the house to the mailbox. Choice B (53 feet) adds only the first two legs (34+1934 + 19), leaving out the walk from the friend's house to the park. Choice C (62 feet) adds only the first and last legs (34+2834 + 28), skipping the middle leg entirely.

Question 8

One plant is 46 cm tall. Another plant is 31 cm tall. How much taller is the 46 cm plant?

  1. 14 cm taller
  2. 15 cm taller (correct answer)
  3. 46 cm taller
  4. 77 cm taller
Explanation: The difference between 46 cm and 31 cm is 46 - 31 = 15 cm, so Choice B is correct. Choice A is wrong because it is 1 centimeter too few. Choice C is wrong because it just repeats the height of the taller plant instead of finding the difference. Choice D is wrong because it adds the two heights instead of subtracting.

Question 9

Jamal jumped 52 inches in the long jump. Chen jumped 39 inches. How much farther did Jamal jump than Chen?

  1. 14 inches
  2. 39 inches
  3. 13 inches (correct answer)
  4. 91 inches
Explanation: 52 minus 39 equals 13, so Jamal jumped 13 inches farther. 14 inches is 1 more than the correct difference. 39 inches is Chen's own jump distance, not the difference between the two. 91 inches would result from adding the two distances instead of subtracting.

Question 10

Amir has 60 centimeters of string. He cuts off 23 centimeters to use for a craft. How much string is left?

  1. 8383 centimeters
  2. 3636 centimeters
  3. 3737 centimeters (correct answer)
  4. 2323 centimeters
Explanation: Amir starts with 60 centimeters and cuts off 23 centimeters, so 60 - 23 = 37 centimeters are left, making Choice C correct. Choice A is wrong because it adds instead of subtracting. Choice B is wrong because it is 1 centimeter too few. Choice D is wrong because it just repeats the amount he cut off, not what is left.

Question 11

One plant is 28 cm tall. Another plant is 41 cm tall. How much taller is the 41 cm plant?

  1. 12 cm taller
  2. 28 cm taller
  3. 69 cm taller
  4. 13 cm taller (correct answer)
Explanation: The 41 cm plant is 13 cm taller, because 41−28=1341 - 28 = 13. Choice A (12 cm) comes from subtracting incorrectly by one. Choice B (28 cm) repeats the shorter plant's height instead of finding the difference. Choice C (69 cm) comes from adding the two heights instead of subtracting.

Question 12

Keisha has 48 inches of ribbon. She uses 15 inches, then uses 9 inches more. How many inches of ribbon are left?

  1. 72 inches
  2. 24 inches (correct answer)
  3. 15 inches
  4. 33 inches
Explanation: Starting with 48 inches, using 15 inches leaves 33, and using 9 more leaves 24 inches. Choice A, 72 inches, comes from adding the amounts used instead of subtracting them. Choice C, 15 inches, only reflects the first amount used, not what remains. Choice D, 33 inches, stops after subtracting the first 15 inches and forgets the second use of 9 inches.

Question 13

Yuki has a 35 cm jump rope. Her brother has a 50 cm jump rope. What is the difference in length between the two ropes?

  1. 35 cm
  2. 15 cm (correct answer)
  3. 14 cm
  4. 85 cm
Explanation: The difference between the two ropes is 50−35=1550 - 35 = 15 cm, so B is correct. Choice A simply repeats one of the given lengths instead of finding the difference. Choice C is one centimeter off from the correct difference, likely from a counting slip. Choice D comes from adding the two lengths instead of subtracting them.

Question 14

Emma starts at the 38 centimeter mark on a number line. She moves backward 14 centimeters, then forward 9 centimeters. At what mark does she end up?

  1. At the 33 centimeter mark (correct answer)
  2. At the 61 centimeter mark
  3. At the 24 centimeter mark
  4. At the 43 centimeter mark
Explanation: Emma ends at the 33 centimeter mark, since 38 minus 14 equals 24, and 24 plus 9 equals 33. Choosing 61 comes from adding both numbers to 38 instead of subtracting one and adding the other. Choosing 24 stops after only the first move backward, without adding the 9 centimeters forward. Choosing 43 comes from performing the two moves in the wrong order.

Question 15

Emma has 72 meters of rope. She cuts off 25 meters to tie boxes. How many meters of rope remain?

  1. 97 meters
  2. 47 meters (correct answer)
  3. 25 meters
  4. 46 meters
Explanation: Emma starts with 72 meters and cuts off 25 meters, so 72−25=4772-25=47 meters remain. Choice A adds the numbers instead of subtracting. Choice C is just the amount cut off, not what remains. Choice D is one meter less than the correct difference.

Question 16

Emma has 72 meters of rope. She cuts off 25 meters to tie boxes. How many meters of rope remain?

  1. 47 meters (correct answer)
  2. 97 meters
  3. 46 meters
  4. 25 meters
Explanation: 72 minus 25 equals 47, so 47 meters of rope remain. 97 meters would result from adding instead of subtracting. 46 meters is 1 short of the correct difference. 25 meters is just the amount cut off, not what remains.

Question 17

Sofia's plant is 44 cm tall. Chen's plant is 31 cm tall. How much taller is Sofia's plant than Chen's plant?

  1. 75 cm
  2. 31 cm
  3. 13 cm (correct answer)
  4. 12 cm
Explanation: Sofia's plant is 13 cm taller, because 44−31=1344 - 31 = 13. Choice A (75 cm) comes from adding the two heights instead of subtracting. Choice B (31 cm) repeats Chen's height instead of finding the difference. Choice D (12 cm) comes from subtracting incorrectly by one.

Question 18

Using the ruler shown, Anna measures her book as 2323 centimeters long and her notebook as 1818 centimeters long. If she places them end-to-end, what is the total length?

  1. 4141 centimeters total length (correct answer)
  2. 55 centimeters total length
  3. 4040 centimeters total length
  4. 4242 centimeters total length
Explanation: Adding the lengths end-to-end: 23+18=4123 + 18 = 41 centimeters. Choice B shows subtraction error (23−1823 - 18). Choice C shows addition error missing 1. Choice D shows addition error adding 1 extra.

Question 19

Maya places 3 identical desks in a row to make one long desk. Each desk is 4 feet long. What is the total length of the row of desks now?

  1. 4 feet
  2. 8 feet
  3. 12 feet (correct answer)
  4. 16 feet
Explanation: Each of the 3 desks is 4 feet long, so the total length is 3 times 4, or 12 feet. Choice A only counts one desk. Choice B only counts two desks. Choice D adds a fourth desk that isn't part of the row.

Question 20

Maria has a ribbon that is 27 inches long. She cuts off 9 inches to make a bow. Then she cuts the remaining ribbon into 2 equal pieces. How long is each piece?

  1. 9 inches (correct answer)
  2. 18 inches
  3. 13 inches
  4. 4 inches
Explanation: After cutting off 9 inches for the bow, Maria has 18 inches of ribbon left, and splitting that evenly into 2 pieces gives 9 inches each. Choice B, 18 inches, is the full remaining length before it is split into two pieces. Choice C, 13 inches, comes from dividing the original 27 inches by 2 instead of the 18 inches that remained after the cut. Choice D, 4 inches, comes from dividing the 9-inch piece that was cut off instead of the remaining ribbon.