Decompose Numbers to 5

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Decompose Numbers to 5 · Kindergarten · Worksheet 2

1. 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

2. 3 = ? + 3 Answer: 0 Solution: Since 0 + 3 = 3, we know that 3 = 0 + 3.
3. Olivia has 5 toys. 4 of them are cars. The rest are trucks. How many toys are trucks? Answer: 1 Solution: Olivia has 5 toys total. 4 of them are cars. To find the trucks, subtract the cars from the total: 5 - 4 = 1.
   Full step-by-step solution

   Step 1: Olivia has 5 toys total. Step 2: 4 of them are cars. Step 3: To find the trucks, subtract the cars from the total: 5 - 4 = 1. So there are 1 trucks.

4. Maya has 4 toys. 1 of them are cars. The rest are trucks. How many toys are trucks? Answer: 3 Solution: Maya has 4 toys total. 1 of them are cars. To find the trucks, subtract the cars from the total: 4 - 1 = 3.
   Full step-by-step solution

   Step 1: Maya has 4 toys total. Step 2: 1 of them are cars. Step 3: To find the trucks, subtract the cars from the total: 4 - 1 = 3. So there are 3 trucks.

5. 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.

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

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

7. Lily has 3 red blocks. She also has 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. So, Lily has 5 blocks in total.

8. 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

9. 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.

10. 2 = ? + 1 Answer: 1 Solution: Since 1 + 1 = 2, we know that 2 = 1 + 1.