Math7 IA1 Review

Which of the following expressions is equal to -12

• -4 + 8

• -2 + (-10)

• -2 - (-10)

• -4 - (-8)

Which statement best describes a situation in which opposite quantities combine to make zero?

• A dog gained 4 pounds one year and another 4 pounds the next year.

• A hiker walked up the mountain 1.5 miles and down the mountain 1.5 miles to get to base camp.

• A teenager mowed 2 inches of grass last week and he cut it again this week after it grew 1 more inch.

• A submarine dove 30 ft deep and then dove another 30 feet down.

What is the sign of the answer for the following question

(-2)(-3)(4)(5)(-1) =

• POSITIVE

• NEGATIVE

What is the value of the following expression?  $\frac{-64}{-4}$  

• -16

• 16

• 11

• -11

 $\frac{2}{3}\ +\ \frac{4}{5}\ =$  Find the sum

•  $\frac{8}{15}$  

•  $\frac{6}{8}$  

•  $1\ \frac{7}{15}$  

•  $\frac{7}{15}$  

On a number line, what is the distance between -5 and 4?

• 1

• -9

• -1

• 9

 $-\frac{5}{8}\ \cdot\ \frac{2}{3}=$  Multiply and answer in simplest form

•  $\frac{10}{24}$  

•  $\frac{5}{12}$  

•   $-\ \frac{5}{12}$  

•  $-\frac{10}{24}$  

 $2\ \frac{3}{4}\ -\ 1\ \frac{1}{2}\ =$  Solve and put in simplest form

•  $1\ \frac{1}{4}$  

•  $3\ \frac{4}{8}$  

•  $1$  

•  $1\ \frac{2}{3}$  

What number represents 6 added to -4. Hover over the number line to enlarge the picture.

• 4

• 0

• 2

• 5

What are the rules for multiplying negatives multiple times. Example : Multiply -1 N times. There is more than one correct answer.

• Multiplying an EVEN number of negatives will give you a POSITIVE answer.

• Multiplying an EVEN number of negatives will give you a NEGATIVE answer.

• Multiplying an ODD number of negatives will give you a POSITIVE answer.

• Multiplying an ODD number of negatives will give you a NEGATIVE answer.