Practice Test 4 - 2nd Grade Math

20 questions. Answer them in any order, then submit to see your score and every explanation.

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1. A number when rounded to the nearest 10 gives 70. When the same number is rounded to the nearest 100, it gives 100. What is the smallest possible value of this number?
2. Look at the shapes in the figure. Which shape has the most corners (vertices)?
3. Nina has been saving coins for 3 weeks. Each week she saved the same amount. Looking at the chart showing her weekly savings, what is the total value of all the coins Nina saved?
4. 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?
5. A toy car rolled 16 inches. A ball rolled 19 inches. Which traveled farther, or did they travel the same distance?
6. What is Ana doing?
7. Look at the pattern, counting forward by 10s: 30, 40, 50, ___, 70. What number is missing?
8. Which strategy is most efficient for 68 + 29: break apart, counting on, counting back, or make ten?
9. Refer to the number line. What number does the arrow point to?
10. A ribbon measures 30 centimeters. It also measures 10 paper clips. Why are the two numbers different even though they measure the same ribbon?
11. At 2:15, Emma started reading for 30 minutes. Then she played outside for 45 minutes. What time did she finish playing outside?
12. Refer to the figure. Sam and Tia each have a sandwich exactly the same size. Sam cuts his into 2 equal pieces and eats 1 piece. Tia cuts hers into 4 equal pieces and eats 1 piece. Who eats more sandwich?
13. Is 14 odd or even?
14. Carlos arranges number cards to make different three-digit numbers. He has the cards $3$, $0$, and $0$. When he arranges them to show "$3$ hundreds, $0$ tens, $0$ ones," which number does he make?
15. An array has 2 rows with 5 dots in each row. Which addition equation matches the array when you add the rows together?
16. Lucy's garden fence has four sides that measure $22$ feet, $15$ feet, $22$ feet, and $12$ feet. How long is the fence all the way around?
17. If you made a bar graph of this data, which item would have the tallest bar?
18. Which story fits the number sentence $25 - m = 10$?
19. A library has $429$ books on Monday. On Tuesday, they remove $100$ damaged books. On Wednesday, they add $10$ new books. Which number sentence shows how many books they have on Wednesday?
20. What is $67 - 19$?

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