Subtraction Stories Within 5

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Answer Key & Explanations

Subtraction Stories Within 5 · Kindergarten · Worksheet 2

1. Sam has 7 balloons. 7 balloons fly away. How many balloons does Sam have left? Answer: 0 Solution: Start with 7 balloons. 7 balloons fly away: 7 - 7 = 0.
   Full step-by-step solution

   Step 1: Start with 7 balloons. Step 2: 7 balloons fly away: 7 - 7 = 0. The answer is 0.

2. There are 6 stars drawn in a row. 2 stars are crossed out. How many stars are left? Answer: 4 Solution: Start with 6 stars Cross out 2 stars Count the remaining stars: 6 - 2 = 4 The answer is 4.
   Full step-by-step solution

   Step 1: Start with 6 stars Step 2: Cross out 2 stars Step 3: Count the remaining stars: 6 - 2 = 4 The answer is 4.

3. Noah has 8 cookies. He eats 3. How many cookies are left? Answer: 5 Solution: Start with 8 cookies. Subtract the 3 cookies Noah ate: 8 - 3. Count backwards from 8: 8, 7, 6, 5.
   Full step-by-step solution

   Step 1: Start with 8 cookies. Step 2: Subtract the 3 cookies Noah ate: 8 - 3. Step 3: Count backwards from 8: 8, 7, 6, 5. Step 4: 8 - 3 = 5. Noah has 5 cookies left.

4. 12 - 5 = ? Answer: 7 Solution: We start with the problem: 12 - 5 = ? We are subtracting 5 from 12. Subtraction means we take away a certain number from the starting number.
   Full step-by-step solution

   We start with the problem: 12 - 5 = ? Step 1: Understand the operation. We are subtracting 5 from 12. Subtraction means we take away a certain number from the starting number. Step 2: Begin with the number 12. We can think of 12 as 10 + 2. Step 3: Subtract 5 from 12. One way to do this is to break 5 into parts that are easier to subtract from 12. Since 12 = 10 + 2, we can subtract 5 by first subtracting 2 from 12: 12 - 2 = 10. Step 4: Now we still need to subtract the remaining part of 5. We already subtracted 2, so we have 5 - 2 = 3 left to subtract. So subtract 3 from 10: 10 - 3 = 7. Step 5: Conclusion. Therefore, 12 - 5 = 7. We can check: 5 + 7 = 12, which matches, so the answer is correct. ANSWER: 7

5. There are 6 circles arranged in 2 equal rows. How many circles are in each row? Answer: 3 Solution: There are 6 circles total They are arranged in 2 equal rows To find how many in each row, we share the circles equally: 6 ÷ 2 6 ÷ 2 = 3 The answer is 3 circles in each row.
   Full step-by-step solution

   Step 1: There are 6 circles total Step 2: They are arranged in 2 equal rows Step 3: To find how many in each row, we share the circles equally: 6 ÷ 2 Step 4: 6 ÷ 2 = 3 The answer is 3 circles in each row.

6. There are 8 birds sitting on a fence. 3 birds fly away. How many birds are left on the fence? Answer: 5 Solution: Start with the number of birds on the fence. We begin with 8 birds. Determine how many birds fly away.
   Full step-by-step solution

   Step 1: Start with the number of birds on the fence. We begin with 8 birds. Step 2: Determine how many birds fly away. 3 birds fly away. Step 3: Subtract the number of birds that flew away from the original number. 8 - 3 = 5 Step 4: Interpret the result. After 3 birds leave, the number of birds remaining on the fence is 5. Final Answer: 5

7. Maya has 10 toy cars. Maya gives 7 toy cars to a friend. How many toy cars does Maya have left? Answer: 3 Solution: Start with 10 toy cars. Give away 7 toy cars: 10 - 7 = 3.
   Full step-by-step solution

   Step 1: Start with 10 toy cars. Step 2: Give away 7 toy cars: 10 - 7 = 3. The answer is 3.

8. There are 6 flowers in a garden. 2 flowers are yellow and the rest are red. How many red flowers are there? Answer: 4 Solution: There are 6 flowers total. 2 flowers are yellow. To find the red flowers, subtract the yellow flowers from the total: 6 - 2 6 - 2 = 4 The answer is 4 red flowers.
   Full step-by-step solution

   Step 1: There are 6 flowers total. Step 2: 2 flowers are yellow. Step 3: To find the red flowers, subtract the yellow flowers from the total: 6 - 2 Step 4: 6 - 2 = 4 The answer is 4 red flowers.

9. Kai has 2 toy cars. Kai gives 2 toy cars to a friend. How many toy cars does Kai have left? Answer: 0 Solution: Start with 2 toy cars. Give away 2 toy cars: 2 - 2 = 0.
   Full step-by-step solution

   Step 1: Start with 2 toy cars. Step 2: Give away 2 toy cars: 2 - 2 = 0. The answer is 0.

10. There were 15 birds sitting on a fence. 7 birds flew away. How many birds are left on the fence? Answer: 8 Solution: Start with 15 birds on the fence 7 birds flew away, so we subtract 7 from 15 15 - 7 = 8 There are 8 birds left on the fence The answer is 8.
    Full step-by-step solution

    Step 1: Start with 15 birds on the fence Step 2: 7 birds flew away, so we subtract 7 from 15 Step 3: 15 - 7 = 8 Step 4: There are 8 birds left on the fence The answer is 8.