Practice with the help of Spectrum Math Grade 1 Answer Key Chapter 3 Lesson 3.10 Addition and Subtraction Facts through 15 regularly and improve your accuracy in solving questions.
Spectrum Math Grade 1 Chapter 3 Lesson 3.10 Addition and Subtraction Facts through 15 Answers Key
Add.


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 5 .
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.

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Answer:
Given numbers are 5 and 8.
When both are added it generates the result 13 as shown Below.
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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 6 and 7 .
When both are added it generates the result 13 as shown Below.
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Answer:
Given numbers are 9 and 6.
When both are added it generates the result 15 as shown Below.
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Answer:
Given numbers are 7 and 6.
When both are added it generates the result 13 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.


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 6 .
When both are added it generates the result 14 as shown Below.

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Answer:
Given numbers are 4 and 9 .
When both are added it generates the result 13 as shown Below.
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Subtract.


Answer:
Given numbers are 13 and 7.
When 7 is subtracted from the number 13 the result obtained is 6 as shown Below.
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Answer:
Given numbers are 15 and 8.
When 8 is subtracted from the number 15 the result obtained is 7 as shown Below.


Answer:
Given numbers are 14 and 5.
When 7 is subtracted from the number 13 the result obtained is 9 as shown Below.


Answer:
Given numbers are 13 and 8.
When 8 is subtracted from the number 13 the result obtained is 5 as shown Below.


Answer:
Given numbers are 14 and 6.
When 6 is subtracted from the number 14 the result obtained is 8 as shown Below.


Answer:
Given numbers are 15 and 9.
When 9 is subtracted from the number 15 the result obtained is 6 as shown Below.


Answer:
Given numbers are 15 and 7.
When 7 is subtracted from the number 15 the result obtained is 8 as shown Below.


Answer:
Given numbers are 13 and 4.
When 4 is subtracted from the number 13 the result obtained is 9 as shown Below.


Answer:
Given numbers are 15 and 6.
When 6 is subtracted from the number 15 the result obtained is 9 as shown Below.


Answer:
Given numbers are 13 and 9.
When 9 is subtracted from the number 13 the result obtained is 4 as shown Below.


Answer:
Given numbers are 14 and 7.
When 7 is subtracted from the number 14 the result obtained is 7 as shown Below.


Answer:
Given numbers are 14 and 8.
When 8 is subtracted from the number 14 the result obtained is 6 as shown Below.

Solve each problem.
There are 15
.
9
drive away.
How many
are left? 6

There are 7 ![]()
There are 8 ![]()
How many leaves in all? _______
Answer:
Initially Number of leaves present = 7
Again Number of leaves Present = 8
Number of leaves present totally = 7 + 8 = 15
There are 9
on the shelf.
There are 6 more
on the floor.
How many
in all? _______
Answer:
Number of
on shelf = 9
Number of more
present on floor = 6
Number of
present in all = 9 + 6 = 15
Marcus has 15
.
Sue has 7
.
How many more
does Marcus have? _______
Answer:
Number of
contain = 15
Number of Sue
contain = 7
Now , Number of more
that Marcus contain = 15 + 7 = 22
Len has 15 ![]()
He has ![]()
How many more
does he have? _______
Answer:
Number of
Len contain = 15
Number of
has = 1
Number of more
he has = 15 + 1 = 16