Students can use the **Spectrum Math Grade 3 Answer Key**** Chapter 1 Lesson 1.4 Subtracting 2-Digit Numbers (no renaming)** as a quick guide to resolve any of their doubts

## Spectrum Math Grade 3 Chapter 1 Lesson 1.4 Subtracting 2-Digit Numbers (no renaming) Answers Key

**Subtract.**

Question 1.

a.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 2 from 3 where difference is equal to 1. So, 1 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 1 from 2 which is 1. After subtracting the given two numbers the difference is equal to 11.

b.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 2 from 6 where difference is equal to 4. So, 4 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 2 from 8 which is 6. After subtracting the given two numbers the difference is equal to 64.

c.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 1 from 3 where difference is equal to 2. So, 2 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 7 from 9 which is 2. After subtracting the given two numbers the difference is equal to 22.

d.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 0 from 0 where difference is equal to 0. So, 0 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 1 from 3 which is 2. After subtracting the given two numbers the difference is equal to 20.

e.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 1 from 2 where difference is equal to 1. So, 1 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 1 from 9 which is 8. After subtracting the given two numbers the difference is equal to 81.

f.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 6 from 8 where difference is equal to 2. So, 2 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 1 from 4 which is 3. After subtracting the given two numbers the difference is equal to 32.

Question 2.

a.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 0 from 2 where difference is equal to 2. So, 2 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 1 from 6 which is 5. After subtracting the given two numbers the difference is equal to 52.

b.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 3 from 3 where difference is equal to 0. So, 0 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 1 from 8 which is 7. After subtracting the given two numbers the difference is equal to 70.

c.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 4 from 5 where difference is equal to 1. So, 1 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 4 from 6 which is 2. After subtracting the given two numbers the difference is equal to 21.

d.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 2 from 4 where difference is equal to 2. So, 2 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 1 from 5 which is 4. After subtracting the given two numbers the difference is equal to 42.

e.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 5 from 7 where difference is equal to 2. So, 2 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 2 from 3 which is 1. After subtracting the given two numbers the difference is equal to 12.

f.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 2 from 8 where difference is equal to 6. So, 6 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 3 from 8 which is 5. After subtracting the given two numbers the difference is equal to 56.

Question 3.

a.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 5 from 6 where difference is equal to 1. So, 1 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 4 from 8 which is 4. After subtracting the given two numbers the difference is equal to 41.

b.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 0 from 2 where difference is equal to 2. So, 2 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 7 from 9 which is 2. After subtracting the given two numbers the difference is equal to 22.

c.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 2 from 9 where difference is equal to 7. So, 7 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 6 from 8 which is 2. After subtracting the given two numbers the difference is equal to 27.

d.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 2 from 5 where difference is equal to 3. So, 3 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 6 from 7 which is 1. After subtracting the given two numbers the difference is equal to 13.

e.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 4 from 8 where difference is equal to 4. So, 4 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 4 from 8 which is 4. After subtracting the given two numbers the difference is equal to 44.

f.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 0 from 0 where difference is equal to 0. So, 0 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 6 from 9 which is 3. After subtracting the given two numbers the difference is equal to 30.

Question 4.

a.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 1 from 2 where difference is equal to 1. So, 1 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 4 from 8 which is 4. After subtracting the given two numbers the difference is equal to 41.

b.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 6 from 7 where difference is equal to 1. So, 1 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 3 from 5 which is 2. After subtracting the given two numbers the difference is equal to 21.

c.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 3 from 5 where difference is equal to 2. So, 2 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 2 from 3 which is 1. After subtracting the given two numbers the difference is equal to 12.

d.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 3 from 5 where difference is equal to 2. So, 2 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 4 from 6 which is 2. After subtracting the given two numbers the difference is equal to 22.

e.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 0 from 1 where difference is equal to 1. So, 1 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 6 from 8 which is 2. After subtracting the given two numbers the difference is equal to 21.

f.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 0 from 2 where difference is equal to 2. So, 2 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 3 from 4 which is 1. After subtracting the given two numbers the difference is equal to 12.

Question 5.

a.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 0 from 0 where difference is equal to 0. So, 0 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 3 from 6 which is 3. After subtracting the given two numbers the difference is equal to 30.

b.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 5 from 6 where difference is equal to 1. So, 1 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 2 from 4 which is 2. After subtracting the given two numbers the difference is equal to 21.

c.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 1 from 2 where difference is equal to 1. So, 1 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 8 from 9 which is 1. After subtracting the given two numbers the difference is equal to 11.

d.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 2 from 6 where difference is equal to 4. So, 4 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 3 from 8 which is 5. After subtracting the given two numbers the difference is equal to 54.

e.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 6 from 7 where difference is equal to 1. So, 1 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 3 from 5 which is 2. After subtracting the given two numbers the difference is equal to 21.

f.

Answer:

Explanation:

While doing subtraction, first we should subtract digits in one’s place and should move to the left i.e., to the ten’s place and so on. Now, subtract 3 from 9 where difference is equal to 6. So, 6 should be written in one’s digit in the answer. Now, moving to the left that is ten’s place, we have to subtract 1 from 2 which is 1. After subtracting the given two numbers the difference is equal to 16.

Question 6.

a.

Answer:

Explanation:

First, we need to add the digits in one’s place. So, we need to add 0 and 3 which are in one’s place. Adding 0 and 3 gives the sum as 3. So, 3 will be placed in the one’s digit in the answer. Next, we need to add the digits in ten’s place. Adding 1 and 4 gives the sum 5. So, 5 should be written in ten’s place in the answer. So, the sum of given two numbers is 53.

b.

Answer:

Explanation:

First, we need to add the digits in one’s place. So, we need to add 3 and 0 which are in one’s place. Adding 3 and 0 gives the sum as 3. So, 3 will be placed in the one’s digit in the answer. Next, we need to add the digits in ten’s place. Adding 7 and 2 gives the sum 9. So, 9 should be written in ten’s place in the answer. So, the sum of given two numbers is 93.

c.

Answer:

Explanation:

First, we need to add the digits in one’s place. So, we need to add 6 and 3 which are in one’s place. Adding 6 and 3 gives the sum as 9. So, 9 will be placed in the one’s digit in the answer. Next, we need to add the digits in ten’s place. Adding 8 and 1 gives the sum 9. So, 9 should be written in ten’s place in the answer. So, the sum of given two numbers is 99.

d.

Answer:

Explanation:

First, we need to add the digits in one’s place. So, we need to add 2 and 3 which are in one’s place. Adding 2 and 3 gives the sum as 5. So, 5 will be placed in the one’s digit in the answer. Next, we need to add the digits in ten’s place. Adding 5 and 1 gives the sum 6. So, 6 should be written in ten’s place in the answer. So, the sum of given two numbers is 65.

e.

Answer:

Explanation:

First, we need to add the digits in one’s place. So, we need to add 2 and 6 which are in one’s place. Adding 2 and 6 gives the sum as 8. So, 8 will be placed in the one’s digit in the answer. Next, we need to add the digits in ten’s place. Adding 4 and 2 gives the sum 6. So, 6 should be written in ten’s place in the answer. So, the sum of given two numbers is 68.

f.

Answer:

Explanation:

First, we need to add the digits in one’s place. So, we need to add 2 and 5 which are in one’s place. Adding 2 and 5 gives the sum as 7. So, 7 will be placed in the one’s digit in the answer. Next, we need to add the digits in ten’s place. Adding 3 and 4 gives the sum 7. So, 7 should be written in ten’s place in the answer. So, the sum of given two numbers is 77.