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Snapshot 11/17/20

Last updated about 5 years ago

7 questions

Draw a model to show the addition of integers.


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

- 7 + 2

1

- 3 + -5

1

- 3 + 3

1

8 + -2

1

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

1

No model needed. What is -100 + 20

1

Find the difference: 3/4 - 1/2