Practice with the help of **Spectrum Math Grade 1 Answer Key Chapter 3 Lesson 3.14**** Addition and Subtraction Facts through 18** regularly and improve your accuracy in solving questions.

## Spectrum Math Grade 1 Chapter 3 Lesson 3.14 Addition and Subtraction Facts through 18 Answers Key

**Add.**

Answer:

Given numbers are 8 and 8 .

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

Answer:

Given numbers are 9 and 8.

When both are added it generates the result 17 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 7 and 8 .

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

Answer:

Given numbers are 9 and 9 .

When both are added it generates the result 18 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 6 and 9.

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

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 9 .

When both are added it generates the result 17 as shown Below.

Answer:

Given numbers are 8 and 7 .

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 9 and 6.

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

**Subtract.**

Answer:

Answer:

Given numbers are 15 and 8.

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

Answer:

Given numbers are 17 and 9.

When 9 is subtracted from the number 17 and get the result 8 as shown Below.

Answer:

Given numbers are 14 and 7.

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

Answer:

Given numbers are 18 and 9.

When 9 is subtracted from the number 18 and get the result 9 as shown Below.

Answer:

Given numbers are 16 and 7.

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

Answer:

Given numbers are 15 and 6.

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

Answer:

Given numbers are 17 and 8.

When 8 is subtracted from the number 17 and get the result 9 as shown Below.

Answer:

Given numbers are 14 and 6.

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

Answer:

Given numbers are 16 and 9.

When 5 is subtracted from the number 16 and get the result 7 as shown Below.

Answer:

Given numbers are 16 and 8.

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

Answer:

Given numbers are 15 and 7.

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

Answer:

Given numbers are 14 and 5.

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

**Solve each problem.**

There are 17 .

9 are broken.

How many are not broken? __8__

There are 9 .

9 more come.

How many are there? _______

Answer:

Total number of Tortoise = 9

Again Number of tortoise come = 9

Therefore Total number of Tortoise come = 9 + 9 =18

Luisa caught 8 .

She catches 9 more .

How many did she catch in all? _______

Answer:

Number that Luisa caught =8

Again Number That Luisa caught = 9

Finally, Luisa caught in all = 8 + 9 = 17

There are 18 .

9 run away.

How many are left? _______

Answer:

Total Number of Brooches = 18

Number of Brooches ran away = 9

Number of Brooches Left = 18 – 9 = 9

There are 17 .

There are 8 .

How many more are there? _______

Answer:

Total number of present = 17

Number of present = 8

Number of Both present = 17 + 8 = 25