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.

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Answer:
Given numbers are 9 and 8.
When both are added it generates the result 17 as shown Below.
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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.

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Answer:
Given numbers are 8 and 6.
When both are added it generates the result 14 as shown Below.
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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.

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Answer:
Given numbers are 8 and 9 .
When both are added it generates the result 17 as shown Below.
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Answer:
Given numbers are 8 and 7 .
When both are added it generates the result 15 as shown Below.
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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.
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Answer:
Given numbers are 14 and 7.
When 7 is subtracted from the number 14 and get the result 7 as shown Below.
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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.
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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