Decompose Numbers to 5

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Decompose Numbers to 5 · Kindergarten · Worksheet 2

1. Lily has 3 red blocks and 2 blue blocks. How many blocks does Lily have in total? Answer: 5 Solution: Identify the number of red blocks. Lily has 3 red blocks. Identify the number of blue blocks.
   Full step-by-step solution

   Step 1: Identify the number of red blocks. Lily has 3 red blocks. Step 2: Identify the number of blue blocks. Lily has 2 blue blocks. Step 3: Add the number of red blocks and blue blocks together. 3 + 2 = 5 Step 4: State the total. Lily has 5 blocks in total. Answer: 5

2. 1 = ? + 1 Answer: 0 Solution: Since 0 + 1 = 1, we know that 1 = 0 + 1.
3. Look at the pattern: 🍎 🍎 🍎 | 🍎 🍎. There are 5 apples total. How many apples are in the second group? Answer: 2 Solution: We know there are 5 apples in total. The pattern shows the apples are in two groups, separated by a line. The first group has 3 apples.
   Full step-by-step solution

   Step 1: We know there are 5 apples in total. Step 2: The pattern shows the apples are in two groups, separated by a line. Step 3: The first group has 3 apples. Step 4: To find the number in the second group, we think: 3 + ? = 5. Step 5: We know that 3 + 2 = 5. Step 6: Therefore, the second group must have 2 apples. The answer is 2.

4. 3 = 1 + ? Answer: 2 Solution: We know that 3 = 1 + ? This means we need to find what number plus 1 equals 3 If we start with 1, we need to add 2 more to get to 3 1 + 2 = 3 Therefore, the missing number is 2
   Full step-by-step solution

   Step 1: We know that 3 = 1 + ? Step 2: This means we need to find what number plus 1 equals 3 Step 3: If we start with 1, we need to add 2 more to get to 3 Step 4: 1 + 2 = 3 Step 5: Therefore, the missing number is 2

5. You have 5 toy cars. 2 are red and the rest are blue. How many blue cars are there? Answer: 3 Solution: Identify the total number of toy cars. We are told: Total cars = 5. Identify how many are red.
   Full step-by-step solution

   Step 1: Identify the total number of toy cars. We are told: Total cars = 5. Step 2: Identify how many are red. We are told: Red cars = 2. Step 3: Understand that the rest are blue. This means: Blue cars = Total cars - Red cars. Step 4: Substitute the numbers into the equation. Blue cars = 5 - 2. Step 5: Perform the subtraction. 5 - 2 = 3. Step 6: State the final answer. There are 3 blue cars.

6. If you have 4 apples and you break one apple into 2 pieces, how many apple pieces do you have now? Answer: 5 Solution: Start with 4 whole apples Break one apple into 2 pieces - now you have 2 pieces instead of 1 apple Count all the apple pieces: 3 whole apples + 2 pieces = 5 pieces 3 + 2 = 5 The answer is 5.
   Full step-by-step solution

   Step 1: Start with 4 whole apples Step 2: Break one apple into 2 pieces - now you have 2 pieces instead of 1 apple Step 3: Count all the apple pieces: 3 whole apples + 2 pieces = 5 pieces Step 4: 3 + 2 = 5 The answer is 5.

7. 4 = 1 + ? Answer: 3 Solution: We know that 4 is the total. We know one part is 1. To find the missing part, think: 1 plus what number equals 4?
   Full step-by-step solution

   Step 1: We know that 4 is the total. Step 2: We know one part is 1. Step 3: To find the missing part, think: 1 plus what number equals 4? Step 4: 1 + 3 = 4 The answer is 3.

8. Kai has 3 cookies. Kai eats 2 of them. How many cookies are left? Answer: 1 Solution: Kai starts with 3 cookies. Kai eats 2 cookies. Subtract the cookies eaten from the starting number: 3 - 2 = 1.
   Full step-by-step solution

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

9. 5 = 4 + ? Answer: 1 Solution: We know that 5 = 4 + ? Think about what number added to 4 makes 5 4 + 1 = 5 So the missing number is 1 The answer is 1.
   Full step-by-step solution

   Step 1: We know that 5 = 4 + ? Step 2: Think about what number added to 4 makes 5 Step 3: 4 + 1 = 5 Step 4: So the missing number is 1 The answer is 1.

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

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