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Properties and Patterns of Addition and Subtraction

In this topic we learn some properties and patterns of addition and subtraction.
Practice Question
1

Write two addition related number sentences for the set of numbers.
7, 4, 11

 
Possible Answers
Your Answer
Correct Answer
A)

7 + 4 = 11, 4 + 7 = 11
B)

7 - 4 = 11, 4 - 7 = 11
C)

11 + 4 = 7, 11 + 7 = 4
D)

11 + 4 = 11, 7 + 4 = 7
Practice Question
2

Write two addition related number sentences for the set of numbers.
5, 9, 14

 
Possible Answers
Your Answer
Correct Answer
A)

14 + 5 + 9 = 14, 14 + 9 + 5 = 14
B)

5 - 4 = 14, 5 - 4 = 14
C)

14 + 5 = 9, 14 + 9 = 5
D)

5 + 9 = 14, 9 + 5 = 14
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