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Snapshot 11/17/20

Posljednje ažuriranje over 5 years ago

7

Draw a model to show the addition of integers.

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1) Draw + signs to represent positive numbers

2) Draw - signs to represent negative numbers

3) Circle “zero pairs” to show that one negative, and one positive cancel out to make zero.

1

1

1

1

1

1

1

Pitanje 1

1.

- 7 + 2

Pitanje 2

2.

- 3 + -5

Pitanje 3

3.

- 3 + 3

Pitanje 4

4.

8 + -2

Pitanje 5

5.

No model needed. What is -10 + -40?

Pitanje 6

6.

No model needed. What is -100 + 20

Pitanje 7

7.

Find the difference: 3/4 - 1/2