Week 15 - Warm up #70 - 12/13

Front

7 - (-4) = ?

Back

11

Front

The temperature in the morning in Alaska was -20 degrees. By Noon it dropped 11 more degrees. What is the new temperature?

Back

-31

Front

No Calculator: -9 + (-6) = ?

Back

-15

Front

No Calculator: What is 5?

Back

5

Front

No Calculator: 9 - 5 = ?

Back

4

Front

What is the definition of a negative number?

Back

A negative number is a number that is less than zero.

Front

What is the definition of addition?

Back

Addition is the mathematical operation of combining two or more numbers to get a total.

Front

What is the definition of subtraction?

Back

Subtraction is the mathematical operation of taking one number away from another.

Front

What is the absolute value of -15?

Back

15

Front

What is the rule for subtracting a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart.