Practice with the help of **Spectrum Math Grade 1 Answer Key Chapter 3 Lesson 3.12**** Addition and Subtraction Facts through 16** regularly and improve your accuracy in solving questions.

## Spectrum Math Grade 1 Chapter 3 Lesson 3.12 Addition and Subtraction Facts through 16 Answers Key

**Add.**

Answer:

Answer:

Given numbers are 7 and 7 .

When both are added it generates the result 14 as shown Below.

Answer:

Given numbers are 8 and 8 .

When both are added it generates the result 16 as shown Below.

Answer:

Given numbers are 7 and 8 .

When both are added it generates the result 15 as shown Below.

Answer:

Given numbers are 9 and 7 .

When both are added it generates the result 16 as shown Below.

Answer:

Given numbers are 5 and 9.

When both are added it generates the result 14 as shown Below.

Answer:

Given numbers are 9 and 6 .

When both are added it generates the result 15 as shown Below.

Answer:

Given numbers are 6 and 9 .

When both are added it generates the result 15 as shown Below.

Answer:

Given numbers are 6 and 8 .

When both are added it generates the result 14 as shown Below.

Answer:

Given numbers are 7 and 9.

When both are added it generates the result 16 as shown Below.

Answer:

Given numbers are 9 and 5.

When both are added it generates the result 14 as shown Below.

Answer:

Given numbers are 8 and 6 .

When both are added it generates the result 14 as shown Below.

Answer:

Given numbers are 8 and 7.

When both are added it generates the result 15 as shown Below.

**Subtract.**

Answer:

Given numbers are 15 and 7.

When 7 is subtracted from the number 15 the result is 8 as shown Below.

Answer:

Given numbers are 16 and 8.

When 8 is subtracted from the number 16 the result is 8 as shown Below.

Answer:

Given numbers are 14 and 9.

When 9 is subtracted from the number 14 the result is 5 as shown Below.

Answer:

Given numbers are 15 and 9.

When 9 is subtracted from the number 15 the result is 6 as shown Below.

Answer:

Given numbers are 14 and 7.

When 7 is subtracted from the number 14 the result is 7 as shown Below.

Answer:

Given numbers are 16 and 7.

When 7 is subtracted from the number 16 the result is 9 as shown Below.

Answer:

Given numbers are 15 and 6.

When 6 is subtracted from the number 15 the result is 9 as shown Below.

Answer:

Given numbers are 14 and 8.

When 8 is subtracted from the number 14 the result is 6 as shown Below.

Answer:

Given numbers are 16 and 9.

When 9 is subtracted from the number 16 the result is 7 as shown Below.

Answer:

Given numbers are 14 and 5.

When 5 is subtracted from the number 14 the result is 9 as shown Below.

Answer:

Given numbers are 15 and 8.

When 8 is subtracted from the number 15 the result is 7 as shown Below.

Answer:

Given numbers are 14 and 6.

When 6 is subtracted from the number 14 the result is 8 as shown Below.

**Solve each problem.**

There are 9

There are 7

How many in all? __16__

There are 16 .

Ted eats 8 .

How many are left? _______

Answer:

Total Number present = 16

Number that Ted Eats = 8

Therefore , Number of left = 16 – 8 = 8

Ivan has 16

He has read 7

How many does Ivan still need to read? _____

Answer:

Number of Ivan contain = 16

Number of read = 7

Number of Ivan still required to read = 16 – 7 = 9

Aisha has 8

She has 8

How many in all ? ____

Answer:

Aisha has = 8

Again she has = 8

Total number that Aisha contain = 8 + 8 = 16

There are 7 .

9 more come.

How many are there? _____

Answer:

Number of = 7

Again Number of more elements = 9

Therefore number of = 7 + 9 = 16