# Spectrum Math Grade 1 Chapter 4 Lesson 5 Answer Key Addition and Subtraction Practice through 100

Practice with the help of Spectrum Math Grade 1 Answer Key Chapter 4 Lesson 4.5 Addition and Subtraction Practice through 100 regularly and improve your accuracy in solving questions.

## Spectrum Math Grade 1 Chapter 4 Lesson 4.5 Addition and Subtraction Practice through 100 Answers Key  The addition of the two given numbers is 16.

Explanation:  The addition of the two given numbers is 25.

Explanation:  The addition of the two given numbers is 35.

Explanation:  The addition of the two given numbers is 33.

Explanation:  The addition of the two given numbers is 44.

Explanation:  The addition of the two given numbers is 58.

Explanation:  The addition of the two given numbers is 76.

Explanation:  The addition of the two given numbers is 65.

Explanation:  The addition of the two given numbers is 27.

Explanation:  The addition of the two given numbers is 84.

Explanation:  The addition of the two given numbers is 100.

Explanation:  The addition of the two given numbers is 93.

Explanation:  The addition of the two given numbers is 34.

Explanation:  The addition of the two given numbers is 85.

Explanation:  The addition of the two given numbers is 16.

Explanation:  The addition of the two given numbers is 54.

Explanation:  The addition of the two given numbers is 73.

Explanation: Subtract. The subtraction of the two given numbers is 10.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 2 – 1 = 1 ten. Hence the answer is 10.  The subtraction of the two given numbers is 10.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 7 – 6 = 1 tens. Hence the answer is 10.  The subtraction of the two given numbers is 20.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 4 – 2 = 2 tens. Hence the answer is 20.  The subtraction of the two given numbers is 10.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 8 – 7 = 1 ten. Hence the answer is 10.  The subtraction of the two given numbers is 50.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 6 – 1 = 5 tens. Hence the answer is 50.  The subtraction of the two given numbers is 20.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 8 – 6 = 2 tens. Hence the answer is 20.  The subtraction of the two given numbers is 10.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 9 – 8 = 1 ten. Hence the answer is 10.  The subtraction of the two given numbers is 40.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 6 – 3 = 3 tens. Hence the answer is 30.  The subtraction of the two given numbers is 0.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 2 – 2 = 3 tens. Hence the answer is 0.  The subtraction of the two given numbers is 30.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 4 – 1 = 3 tens. Hence the answer is 30.  The subtraction of the two given numbers is 50.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 9 – 4 = 5 tens. Hence the answer is 50.  The subtraction of the two given numbers is 30.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 9 – 6 = 3 tens. Hence the answer is 30.  The subtraction of the two given numbers is 0.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 6 – 6 = 6 tens. Hence the answer is 0.  The subtraction of the two given numbers is 10.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 3 – 2 = 1 tens. Hence the answer is 10.  The subtraction of the two given numbers is 60.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 7 – 1 = 6 tens. Hence the answer is 60.  The subtraction of the two given numbers is 20.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 4 – 2 = 2 tens. Hence the answer is 20.  The subtraction of the two given numbers is 10.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 6 – 5 = 1 ten. Hence the answer is 10.  The subtraction of the two given numbers is 60.

Explanation:
1. First subtract ones and write in the one’s place. Subtract 0 – 0 = 0 ones
2. Subtract tens and write in the ten’s place. Subtract 8 – 2 = 6 tens. Hence the answer is 60. Solve each problem.

There are 30 .
Ten fly away.
How many are left? <u>20</u> I have 19 I have 6 What is the sum? ____
The sum of the fruits is 25.

Explanation:
He has 19 bananas.
He has 6 oranges.
The sum of the fruits is 19 + 6 = 25 fruits.

There are 40 We drink 10 How many are left? _____
There are 30 bottles left.

Explanation:
Given,
There are 40 bottles.
They drank 10 bottles.
The water bottles left are 40 – 10 = 30 bottles left.

There are 38 .
8 more drive up.
How many are there in all? _____
There are a total of 46 cars in all.

Explanation:
Given,
There are 38 cars.
In this 8 more are driven up.
Total cars drove = 38 + 8 = 46 cars in all.

I want 80 I have 30 How many more do I need? ____