Students can use the **Spectrum Math Grade 3 Answer Key**** Chapter 1 Lesson 1.2 Subtracting through 20** as a quick guide to resolve any of their doubts

## Spectrum Math Grade 3 Chapter 1 Lesson 1.2 Subtracting through 20 Answers Key

**Subtract.**

Question 1.

a.

Answer:

Explanation:

Given minuend is 7 and subtrahend is 2. The minuend 7 is present in the 2- column. So, the difference between minuend and subtrahend is 7 – 2 = 5 which is the number at the end of the row as we can observe in the above image.

b.

Answer:

Explanation:

Given minuend is 6 and subtrahend is 0. The minuend 6 is present in the 0 – column. So, the difference between minuend and subtrahend is 6 – 0 = 6 which is the number at the end of the row as we can observe in the above image.

c.

Answer:

Explanation:

Given minuend is 5 and subtrahend is 4. The minuend 5 is present in the 4- column. So, the difference between minuend and subtrahend is 5 – 4 = 1 which is the number at the end of the row as we can observe in the above image.

d.

Answer:

Explanation:

Given minuend is 11 and subtrahend is 6. The minuend 11 is present in the 6 – column. So, the difference between minuend and subtrahend is 11 – 6 = 5 which is the number at the end of the row as we can observe in the above image.

e.

Answer:

Explanation:

Given minuend is 16 and subtrahend is 9. The minuend 16 is present in the 9 – column. So, the difference between minuend and subtrahend is 16 – 9 = 7 which is the number at the end of the row as we can observe in the above image.

f.

Answer:

Explanation:

Given minuend is 13 and subtrahend is 8. The minuend 13 is present in the 8 – column. So, the difference between minuend and subtrahend is 13 – 8 = 5 which is the number at the end of the row as we can observe in the above image.

Question 2.

a.

Answer:

Explanation:

Given minuend is 6 and subtrahend is 3. The minuend 6 is present in the 3 – column. So, the difference between minuend and subtrahend is 6 – 3 = 3 which is the number at the end of the row as we can observe in the above image.

b.

Answer:

Explanation:

Given minuend is 9 and subtrahend is 6. The minuend 9 is present in the 6 – column. So, the difference between minuend and subtrahend is 9 – 6 = 3 which is the number at the end of the row as we can observe in the above image.

c.

Answer:

Explanation:

Given minuend is 5 and subtrahend is 2. The minuend 5 is present in the 2- column. So, the difference between minuend and subtrahend is 5 – 2 = 3 which is the number at the end of the row as we can observe in the above image.

d.

Answer:

Explanation:

Given minuend is 8 and subtrahend is 0. The minuend 8 is present in the 0- column. So, the difference between minuend and subtrahend is 8 – 0 = 8 which is the number at the end of the row as we can observe in the above image.

e.

Answer:

Explanation:

Given minuend is 18 and subtrahend is 9. The minuend 18 is present in the 9 – column. So, the difference between minuend and subtrahend is 18 – 9 = 9 which is the number at the end of the row as we can observe in the above image.

f.

Answer:

Explanation:

Given minuend is 9 and subtrahend is 7. The minuend 9 is present in the 7- column. So, the difference between minuend and subtrahend is 9 – 7 = 2 which is the number at the end of the row as we can observe in the above image.

Question 3.

a.

Answer:

Explanation:

Given minuend is 7 and subtrahend is 2. The minuend 7 is present in the 2- column. So, the difference between minuend and subtrahend is 7 – 2 = 5 which is the number at the end of the row as we can observe in the above image.

b.

Answer:

Explanation:

Given minuend is 3 and subtrahend is 0. The minuend 3 is present in the 0 – column. So, the difference between minuend and subtrahend is 3 – 0 = 3 which is the number at the end of the row as we can observe in the above image.

c.

Answer:

Explanation:

Given minuend is 8 and subtrahend is 2. The minuend 8 is present in the 2- column. So, the difference between minuend and subtrahend is 8 – 2 = 6 which is the number at the end of the row as we can observe in the above image.

d.

Answer:

Explanation:

Given minuend is 7 and subtrahend is 4. The minuend 7 is present in the 4- column. So, the difference between minuend and subtrahend is 7 – 4 = 3 which is the number at the end of the row as we can observe in the above image.

e.

Answer:

Explanation:

Given minuend is 10 and subtrahend is 3. The minuend 10 is present in the 3 – column. So, the difference between minuend and subtrahend is 10 – 3 = 7 which is the number at the end of the row as we can observe in the above image.

f.

Answer:

Explanation:

Given minuend is 9 and subtrahend is 2. The minuend 9 is present in the 2 – column. So, the difference between minuend and subtrahend is 9 – 2 = 7 which is the number at the end of the row as we can observe in the above image.

Question 4.

a.

Answer:

Explanation:

Given minuend is 14 and subtrahend is 3. The minuend 14 is present in the 3 – column. So, the difference between minuend and subtrahend is 14 – 3 = 11 which is the number at the end of the row as we can observe in the above image.

b.

Answer:

Explanation:

Given minuend is 3 and subtrahend is 2. The minuend 3 is present in the 2- column. So, the difference between minuend and subtrahend is 3 – 2 = 1 which is the number at the end of the row as we can observe in the above image.

c.

Answer:

Explanation:

Given minuend is 14 and subtrahend is 6. The minuend 14 is present in the 6 – column. So, the difference between minuend and subtrahend is 14 – 6 = 8 which is the number at the end of the row as we can observe in the above image.

d.

Answer:

Explanation:

Given minuend is 13 and subtrahend is 5. The minuend 13 is present in the 5 – column. So, the difference between minuend and subtrahend is 13 – 5 = 8 which is the number at the end of the row as we can observe in the above image.

e.

Answer:

Explanation:

Given minuend is 13 and subtrahend is 8. The minuend 13 is present in the 8 – column. So, the difference between minuend and subtrahend is 13 – 8 = 5 which is the number at the end of the row as we can observe in the above image.

f.

Answer:

Explanation:

Given minuend is 17 and subtrahend is 4. The minuend 17 is present in the 4 – column. So, the difference between minuend and subtrahend is 17 – 4 = 13 which is the number at the end of the row as we can observe in the above image.

Question 5.

a.

Answer:

Explanation:

Given minuend is 12 and subtrahend is 5. The minuend 12 is present in the 5- column. So, the difference between minuend and subtrahend is 12 – 5 = 7 which is the number at the end of the row as we can observe in the above image.

b.

Answer:

Explanation:

Given minuend is 6 and subtrahend is 4. The minuend 6 is present in the 4 – column. So, the difference between minuend and subtrahend is 6 – 4 = 2 which is the number at the end of the row as we can observe in the above image.

c.

Answer:

Explanation:

Given minuend is 1 and subtrahend is 0. The minuend 1 is present in the 0 – column. So, the difference between minuend and subtrahend is 1 – 0 = 1 which is the number at the end of the row as we can observe in the above image.

d.

Answer:

Explanation:

Given minuend is 12 and subtrahend is 3. The minuend 12 is present in the 3 – column. So, the difference between minuend and subtrahend is 12 – 3 = 9 which is the number at the end of the row as we can observe in the above image.

e.

Answer:

Explanation:

Given minuend is 11 and subtrahend is 5. The minuend 11 is present in the 5 – column. So, the difference between minuend and subtrahend is 11 – 5 = 6 which is the number at the end of the row as we can observe in the above image.

f.

Answer:

Explanation:

Given minuend is 11 and subtrahend is 5. The minuend 11 is present in the 5 – column. So, the difference between minuend and subtrahend is 11 – 5 = 6 which is the number at the end of the row as we can observe in the above image.

Question 6.

a.

Answer:

Explanation:

Given minuend is 3 and subtrahend is 1. The minuend 3 is present in the 1 – column. So, the difference between minuend and subtrahend is 3 – 1 = 2 which is the number at the end of the row as we can observe in the above image.

b.

Answer:

Explanation:

Given minuend is 15 and subtrahend is 9. The minuend 15 is present in the 9 – column. So, the difference between minuend and subtrahend is 15 – 9 = 6 which is the number at the end of the row as we can observe in the above image.

c.

Answer:

Explanation:

Given minuend is 9 and subtrahend is 1. The minuend 9 is present in the 1 – column. So, the difference between minuend and subtrahend is 9 – 1 = 8 which is the number at the end of the row as we can observe in the above image.

d.

Answer:

Explanation:

Given minuend is 5 and subtrahend is 1. The minuend 5 is present in the 1 – column. So, the difference between minuend and subtrahend is 5 – 1 = 4 which is the number at the end of the row as we can observe in the above image.

e.

Answer:

Explanation:

Given minuend is 8 and subtrahend is 7. The minuend 8 is present in the 7 – column. So, the difference between minuend and subtrahend is 8 – 7 = 1 which is the number at the end of the row as we can observe in the above image.

f.

Answer:

Explanation:

Given minuend is 14 and subtrahend is 8. The minuend 14 is present in the 8 – column. So, the difference between minuend and subtrahend is 14 – 8 = 6 which is the number at the end of the row as we can observe in the above image.