Rational Numbers

Random Review

100

This is what absolute value represents.

What is the distance a number is from zero?

200

This is the value of the expression -|15| when it is evaluated.

What is -15?

300

This is the fractional equivalent to the decimal -0.54 when reduced.                                                    

What is -27/50?

400

This is the decimal equivalent of the mixed number below. 

1 3/5

                                  

What is 1.6?

500

On Halloween, Steve had 110 pieces of candy. Susan received 3/5 of that amount. Sarah had double the amount Susan received. This is the total candy all three of them had received.

What is 308 pieces of candy?

Adding

100

This is the value of the expression 6+(-4) when it is evaluated.

What is 2?

200

This is the value of the expression -6 + (-11) when it is evaluated.

What is -17?

300

This is the value of the expression below when it is evaluated.

-1/5 + -3/5

-4/5

400

This is the value of the expression 9.2 + (-2.8) when it is evaluated.

What is 6.4?

500

This is the value of the expression below when it is evaluated.

(-1 1/4) + (-1/16)

-1 5/16

Subtracting

100

This is the value of the expression 117 - 119 when it is evaluated. 

What is -2?

200

This is the value of the expression -5 - 7 when it is evaluated

What is -12?

300

This is the value of the expression below when it is evaluated.

12/4 - (-1/8)

3 1/8

400

This is the value of the expression 2.86 - 12.1 when it is evaluated.

What is -9.24?

500

This is the value of the expression below when it is evaluated.

(- 1 1/4)- (-1/16)

-1 3/16

Multiplying

100

This is the value of the expression (-3)·(2) when it is evaluated.

What is -6?

200

This is the value of the expression 3·(-6) when it is evaluated.

What is -18?

300

-3(3/5)

-1 4/5

400

-1 4/7 (-3 2/3)

5 16/21

500

You hired a magician for $25.50 per hour and a clown for $21.75 per hour. They both worked 3.5 hours. This is the total amount you paid for the magician and the clown.

What is $165.38?

Dividing

100

This is the value of the expression 15 ÷ (-3) when it is evaluated.

What is -5?

200

This is the value of the expression -28/7 when it is evaluated.  

What is -4?

300

-1/2 div 4/5

-5/8

400

-5 3/5  divide 3 1/4

-1 47/65

500

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

1 8/27

Exponents

100

This is the base of the expression 9².

What is 9?

200

This is the exponent in 8^3.

What is 3?

300

This is the value of the expression 9² when it is evaluated.

What is 81?

400

This is the value of the expression (-4)³ when it is evaluated.

What is -64?

500

This is the value of the expression (-7)² when it is evaluated.

What is 49?