Solving problems with 4 operations

When adding integers with the same sign, ___________ them and keep the sign.

• add

• subtract

• multiply

• divide

When adding integers with different signs you, ___________ them and keep the sign of the bigger number.

• add

• subtract

• multiply

• divide

To make subtracting easier, you can change all subtraction problems to ___________ problems.

*____ the ____!

• addition

  *add the opposite

• subtraction

  *subtract the opposite

• multiplication

  *multiply the opposite

• division

  *divide the opposite

The temperature in Montreal was -4 degrees C. The temperature in New York was 5 degrees C. How many degrees warmer was the temperature in New York?

• -1 degrees C

• 1 degrees C

• 9 degrees C

• 20 degrees C

Last week, the value of an investment changed at a rate of -$3.15 each day. After how many days was the total change in value -$12.60?

• 3

• 4

• 5

• 6

Ron made 2/3 of a quart of hot chocolate. Each mug holds 1/3 of a quart. How many mugs will Ron be able to fill?

• 1/3

• 1

• 2

• 2/3

• -2

• 2

How do you find the decimal equivalent of a fraction?

• Divide top by bottom

• Divide bottom by top

• Multiply top by bottom

• Multiply bottom by top

• 0.25

• 2.5

• 0.45

• 0.4

• 0.4

• 0.46