Decompose Numbers to 5

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Decompose Numbers to 5 · Kindergarten · Worksheet 3

1. Lily has 4 red blocks and 1 blue block. How many blocks does Lily have in total? Answer: 5 Solution: Identify what is given in the problem. Lily has 4 red blocks and 1 blue block. Understand what is being asked.
   Full step-by-step solution

   Step 1: Identify what is given in the problem. Lily has 4 red blocks and 1 blue block. Step 2: Understand what is being asked. We need to find the total number of blocks. Step 3: Add the number of red blocks and blue blocks together. Number of red blocks = 4 Number of blue blocks = 1 Total = 4 + 1 Step 4: Perform the addition. 4 + 1 = 5 Step 5: State the final answer. Lily has 5 blocks in total.

2. Look at the pattern: ★ ★ ★ | ★ ★. How many stars are there in total? Answer: 5 Solution: The vertical bar "|" is just a separator and does not affect the number of stars. Count the stars on the left side of the bar. Left side: ★ ★ ★ → That is 3 stars.
   Full step-by-step solution

   Step 1: Look at the pattern: ★ ★ ★ | ★ ★ The vertical bar "|" is just a separator and does not affect the number of stars. Step 2: Count the stars on the left side of the bar. Left side: ★ ★ ★ → That is 3 stars. Step 3: Count the stars on the right side of the bar. Right side: ★ ★ → That is 2 stars. Step 4: Add the stars from both sides. 3 stars + 2 stars = 5 stars. Step 5: Conclusion. The total number of stars is 5.

3. Eva has 5 cookies. Eva eats 2 of them. How many cookies are left? Answer: 3 Solution: Eva starts with 5 cookies. Eva eats 2 cookies. Subtract the cookies eaten from the starting number: 5 - 2 = 3.
   Full step-by-step solution

   Step 1: Eva starts with 5 cookies. Step 2: Eva eats 2 cookies. Step 3: Subtract the cookies eaten from the starting number: 5 - 2 = 3. There are 3 cookies left.

4. Charlotte has 3 crayons. 1 crayons are blue. The rest are green. How many crayons are green? Answer: 2 Solution: Charlotte has 3 crayons total. 1 crayons are blue. The green crayons are the part that is not blue: 3 - 1 = 2.
   Full step-by-step solution

   Step 1: Charlotte has 3 crayons total. Step 2: 1 crayons are blue. Step 3: The green crayons are the part that is not blue: 3 - 1 = 2. So 2 crayons are green.

5. Emma has 5 colorful stickers. She puts 2 stickers on her notebook and keeps the rest in her sticker book. How many stickers does Emma put in her sticker book? Answer: 3 Solution: Emma started with 5 stickers total She put 2 stickers on her notebook To find how many went to her sticker book, subtract: 5 - 2 5 - 2 = 3 The answer is 3.
   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 to her sticker book, subtract: 5 - 2 Step 4: 5 - 2 = 3 The answer is 3.

6. Mia has 5 cookies. Mia eats 4 of them. How many cookies are left? Answer: 1 Solution: Mia starts with 5 cookies. Mia eats 4 cookies. Subtract the cookies eaten from the starting number: 5 - 4 = 1.
   Full step-by-step solution

   Step 1: Mia starts with 5 cookies. Step 2: Mia eats 4 cookies. Step 3: Subtract the cookies eaten from the starting number: 5 - 4 = 1. There are 1 cookies left.

7. Emma has 4 cookies. She breaks 2 of them into pieces to share with her friend. How many whole cookies does Emma have left? Answer: 2 Solution: Emma starts with 4 whole cookies. She breaks 2 cookies to share, which means she no longer has those 2 as whole cookies. Subtract the 2 broken cookies from the original 4: 4 - 2 = 2.
   Full step-by-step solution

   Step 1: Emma starts with 4 whole cookies. Step 2: She breaks 2 cookies to share, which means she no longer has those 2 as whole cookies. Step 3: Subtract the 2 broken cookies from the original 4: 4 - 2 = 2. Step 4: Emma has 2 whole cookies left. The answer is 2.

8. 3 = ? + 2 Answer: 1 Solution: Since 1 + 2 = 3, we know that 3 = 1 + 2.
9. 2 = ? + 2 Answer: 0 Solution: Since 0 + 2 = 2, we know that 2 = 0 + 2.
10. Look at the pattern: ○ ○ ○ | ○ ○ | ○ ○ ○. How many circles are there in total? Answer: 8 Solution: Count the circles in the first group. The first group is "○ ○ ○" — that is 3 circles. Count the circles in the second group.
    Full step-by-step solution

    Let's break down the pattern step by step. The pattern is: ○ ○ ○ | ○ ○ | ○ ○ ○ Step 1: Count the circles in the first group. The first group is "○ ○ ○" — that is 3 circles. Step 2: Count the circles in the second group. The second group is "○ ○" — that is 2 circles. Step 3: Count the circles in the third group. The third group is "○ ○ ○" — that is 3 circles. Step 4: Add all the circles together. 3 + 2 + 3 = 8 So, the total number of circles is 8.