Decompose Numbers to 5

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Answer Key & Explanations

Decompose Numbers to 5 · Kindergarten · Worksheet 1

1. Emma has 4 cookies on her plate. She eats 2 of them. How many cookies are left on her plate? Answer: 2 Solution: Emma starts with 4 cookies. She eats 2 of them, which means 2 cookies are removed. To find out how many are left, we take away the 2 she ate from the 4 she started with: 4 - 2.
   Full step-by-step solution

   Step 1: Emma starts with 4 cookies. Step 2: She eats 2 of them, which means 2 cookies are removed. Step 3: To find out how many are left, we take away the 2 she ate from the 4 she started with: 4 - 2. Step 4: 4 - 2 = 2. The answer is 2.

2. Liam has 4 red blocks. He also has 1 blue block. How many blocks does Liam have in all? Answer: 5 Solution: Liam has 4 red blocks and 1 blue block. To find the total number of blocks, we add the number of red blocks to the number of blue blocks. Write the numbers to add.
   Full step-by-step solution

   Liam has 4 red blocks and 1 blue block. To find the total number of blocks, we add the number of red blocks to the number of blue blocks. Step 1: Write the numbers to add. 4 (red blocks) + 1 (blue block) Step 2: Add them together. 4 + 1 = 5 Step 3: Interpret the result. The total number of blocks Liam has is 5. Answer: 5

3. Emma has 5 colorful stickers. She puts 2 stickers on her notebook and the rest on her toy box. How many stickers did Emma put on her toy box? Answer: 3 Solution: Emma started with 5 stickers total. She put 2 stickers on her notebook. To find how many went on the toy box, subtract the notebook stickers from the total: 5 - 2 5 - 2 = 3 Emma put 3 stickers on her toy box.
   Full step-by-step solution

   Step 1: Emma started with 5 stickers total. Step 2: She put 2 stickers on her notebook. Step 3: To find how many went on the toy box, subtract the notebook stickers from the total: 5 - 2 Step 4: 5 - 2 = 3 Emma put 3 stickers on her toy box.

4. 3 = ? + 3 Answer: 0 Solution: Since 0 + 3 = 3, we know that 3 = 0 + 3.
5. 5 = 1 + ? Answer: 4 Solution: We know the total is 5. Step 2: One part is 1. Step 3: To find the missing part, think: 1 plus what equals 5?
   Full step-by-step solution

   Step 1: We know the total is 5. Step 2: One part is 1. Step 3: To find the missing part, think: 1 plus what equals 5? Step 4: Count up from 1 to 5: 1, 2, 3, 4, 5. That is 4 more. Step 5: So 5 = 1 + 4. The answer is 4.

6. Emma has 2 teddy bears. Her grandma gives her 3 more teddy bears for her birthday. How many teddy bears does Emma have now? Answer: 5 Solution: Emma starts with 2 teddy bears. Her grandma gives her 3 more teddy bears. Add the teddy bears together: 2 + 3 2 + 3 = 5 The answer is 5.
   Full step-by-step solution

   Step 1: Emma starts with 2 teddy bears. Step 2: Her grandma gives her 3 more teddy bears. Step 3: Add the teddy bears together: 2 + 3 Step 4: 2 + 3 = 5 The answer is 5.

7. If you have 5 flowers and you give 2 flowers to your friend, how many flowers do you have left? Answer: 3 Solution: You start with 5 flowers. This means initially: flowers = 5. You give 2 flowers to your friend.
   Full step-by-step solution

   Let's go step by step. Step 1: You start with 5 flowers. This means initially: flowers = 5. Step 2: You give 2 flowers to your friend. Giving flowers away means you lose some of your flowers, so you subtract 2 from what you had. Step 3: Perform the subtraction: 5 − 2 = 3. Step 4: Interpret the result: After giving away 2 flowers, you have 3 flowers left. Final answer: 3

8. Aroha has 2 cookies. Aroha eats 1 of them. How many cookies are left? Answer: 1 Solution: Aroha starts with 2 cookies. Aroha eats 1 cookies. Subtract the cookies eaten from the starting number: 2 - 1 = 1.
   Full step-by-step solution

   Step 1: Aroha starts with 2 cookies. Step 2: Aroha eats 1 cookies. Step 3: Subtract the cookies eaten from the starting number: 2 - 1 = 1. There are 1 cookies left.

9. 5 = ? + 3 Answer: 2 Solution: Since 2 + 3 = 5, we know that 5 = 2 + 3.
10. Look at the pattern: 🟦 🟦 🟦 🟦 🟦 | 🟦 🟦 🟦. How many blue squares are there in total? Answer: 8 Solution: Count the first group of squares: 🟦 🟦 🟦 🟦 🟦 = 5 squares Count the second group of squares: 🟦 🟦 🟦 = 3 squares Add both groups together: 5 + 3 = 8 The answer is 8.
    Full step-by-step solution

    Step 1: Count the first group of squares: 🟦 🟦 🟦 🟦 🟦 = 5 squares Step 2: Count the second group of squares: 🟦 🟦 🟦 = 3 squares Step 3: Add both groups together: 5 + 3 = 8 The answer is 8.