1st Grade Math Flashcards: Addition And Subtraction In Word Problems

What this deck covers

This deck focuses on Addition And Subtraction In Word Problems, giving you a quick way to review the definitions, rules, and examples that matter most for 1st Grade Math.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Flashcard 1: What equation matches: Sam has some marbles; gets $7$ more; now has $15$ marbles?

Answer: $? + 7 = 15$. Unknown at start; adding 7 gives the final total.

Flashcard 2: What is the value of $?$ in $6 + 5 = ?$?

Answer: $11$. Count up from 6 or use fingers to add 5 more.

Flashcard 3: Which equation matches: "Tia has $10$ beads. Max has $7$. How many more beads does Tia have?"

Answer: $10 - 7 = \square$. "How many more" means compare by subtracting.

Flashcard 4: What equation matches: There are $12$ apples; $4$ are eaten; how many are left?

Answer: $12 - 4 = ?$. Taking from means removing some from the total.

Flashcard 5: What equation matches: $8$ red flowers and $6$ yellow flowers; how many flowers in all?

Answer: $8 + 6 = ?$. Putting together means combining two groups.

Flashcard 6: What is the total: "There are $4$ red birds and $9$ blue birds. How many birds?"

Answer: $13$. Add both groups: $4 + 9 = 13$ birds total.

Flashcard 7: What is the value of $?$ in $? - 5 = 13$?

Answer: $18$. Add back the 5 eaten to the 13 left.

Flashcard 8: What is the unknown smaller amount: "Sam has $11$ candies. That is $3$ more than Jo. How many does Jo have?"

Answer: $8$. Sam has $3$ more, so Jo has $11 - 3 = 8$ candies.

Flashcard 9: What is the value of $?$ in $17 - 9 = ?$?

Answer: $8$. Subtract storybooks from total to find others.

Flashcard 10: What is the missing number: "$\square$ dogs and $6$ cats make $14$ pets. How many dogs?"

Answer: $8$. Find what adds to $6$ to make $14$: $14 - 6 = 8$ dogs.

Flashcard 11: What is the value of $?$ in $8 + 6 = ?$?

Answer: $14$. Combine 8 and 6 to find the total.

Flashcard 12: What is the difference: "Ava has $13$ pencils. Eli has $8$. How many more pencils does Ava have?"

Answer: $5$. Compare by subtracting: $13 - 8 = 5$ more pencils.

Flashcard 13: What is the missing number: $\square - 5 = 9$?

Answer: $14$. Find what minus $5$ equals $9$: $9 + 5 = 14$.

Flashcard 14: What is the missing number: $7 + \square = 12$?

Answer: $5$. Find what adds to $7$ to make $12$: $12 - 7 = 5$.

Flashcard 15: What is the value of $?$ in $14 - 9 = ?$?

Answer: $5$. Ben has 5 more than Ana's 9 cards.

Flashcard 16: What equation matches: Ava has $6$ more pencils than Jay; Jay has $7$ pencils; how many does Ava have?

Answer: $7 + 6 = ?$. Add Jay's amount to the 6 more that Ava has.

Flashcard 17: What is the missing number: $\square + 9 = 15$?

Answer: $6$. Find what adds to $9$ to make $15$: $15 - 9 = 6$.

Flashcard 18: What is the missing number: $9$ cars and $\square$ trucks make $17$ vehicles. How many trucks?

Answer: $8$. Find what adds to $9$ to make $17$: $17 - 9 = 8$ trucks.

Flashcard 19: What is the value of $?$ in $7 + 6 = ?$?

Answer: $13$. 7 plus 6 more equals Ava's total.

Flashcard 20: What is the missing number: "Ben had $16$ marbles. He lost some and has $9$. How many lost?"

Answer: $7$. Find how many were lost: $16 - 9 = 7$ marbles.

Flashcard 21: What is the answer: "Noah has $15$ stickers and gives away $6$. How many remain?"

Answer: $9$. Subtract what was given away: $15 - 6 = 9$.

Flashcard 22: What is the value of $?$ in $12 - 4 = ?$?

Answer: $8$. Start with 12 and count back 4 to find what's left.

Flashcard 23: What is the missing number: $6 + 8 = \square$?

Answer: $14$. Add the two numbers: $6 + 8 = 14$.

Flashcard 24: What equation matches: "I had $9$. I gave away $4$. How many left?"

Answer: $9 - 4 = \square$. "Gave away" means subtract from what you had.

Flashcard 25: What is the value of $?$ in $? + 12 = 20$?

Answer: $8$. 20 minus 12 gives the missing part.

Flashcard 26: What equation matches: There were some cookies; $5$ were eaten; $13$ cookies are left?

Answer: $? - 5 = 13$. Start unknown; after taking 5, 13 remain.

Flashcard 27: What is the missing number: "Mia has $8$ balloons. She gets some more and has $14$. How many more?"

Answer: $6$. Find the difference: $14 - 8 = 6$ more balloons.

Flashcard 28: What is the missing number: $14 - \square = 8$?

Answer: $6$. Find what subtracted from $14$ gives $8$: $14 - 8 = 6$.

Flashcard 29: What equation matches: Lea had $16$ balloons; some flew away; $9$ are left; how many flew away?

Answer: $16 - ? = 9$. Unknown in middle; subtract to find how many left.

Flashcard 30: What equation matches: $20$ crayons total; $?$ are blue and $12$ are not blue; how many are blue?

Answer: $? + 12 = 20$. Part-whole: blue crayons plus 12 equals 20 total.

Flashcard 31: What equation matches: Mia has $6$ stickers and gets $5$ more; how many now?

Answer: $6 + 5 = ?$. Adding to means combining quantities to find the total.

Flashcard 32: What is the missing part: "There are $12$ cats. $5$ are black. How many are not black?"

Answer: $7$. Subtract the known part from total: $12 - 5 = 7$.

Flashcard 33: What is the value of $?$ in $? + 7 = 15$?

Answer: $8$. Think: what number plus 7 equals 15?

Flashcard 34: What is the unknown larger amount: "Kim has $6$ books. Lee has $4$ more than Kim. How many does Lee have?"

Answer: $10$. Lee has $4$ more than Kim's $6$: $6 + 4 = 10$ books.

Flashcard 35: What equation matches: "I had $5$. I got $3$ more. How many now?"

Answer: $5 + 3 = \square$. "Had" plus "got more" means addition.

Flashcard 36: What is the missing number: $17 - 9 = \square$?

Answer: $8$. Subtract to find the difference: $17 - 9 = 8$.

Flashcard 37: What equation matches: Ben has $14$ cards; Ana has $9$ cards; how many more cards does Ben have?

Answer: $14 - 9 = ?$. Comparing finds the difference between two amounts.

Flashcard 38: What equation matches: $17$ books total; $9$ are storybooks; how many are not storybooks?

Answer: $17 - 9 = ?$. Taking apart finds one part when you know the whole.

Flashcard 39: What is the value of $?$ in $16 - ? = 9$?

Answer: $7$. 16 minus what equals 9? Count the difference.

Flashcard 40: What is the answer: "Lina has $6$ apples and gets $7$ more. How many apples?"

Answer: $13$. Add to find the total: $6 + 7 = 13$.