GCF/LCM
Positive and Negative NUmbers
The Number Line
Ordering of Numbers
Absolute Value
100

What does GCF stand for?

Greatest common Factor

100

A sea turtle is 3 feet below the surface of the sea. If its position can be recorded as −3 feet, what would the position 0 represent in this situation?

The surface of the sea

100


The point R is halfway between the integers on the number line below and represents the number _. (Use the hyphen for negative numbers and write the answer as a decimal, such as -6.4).

-3.5

100

Arrange this set of rational numbers is arranged from least to greatest?

 , −1.4,  , 3


 

-1.4, -1/2, 1/5, 3

100

What is the Absolute value of -3?

3

200

What does LCM stand for?

Least Common Multiple

200

Elevator 1 moved up 10 feet from the ground level. Its position is labeled as +10. Elevator 2 moved down 5 feet from the ground level. Its position is labeled as _.

-5

200

Plot the points on a number line that represent -3 and 9

-3 and 9 must be plotted correctly

200

Based on the graph, write and inequality that is correct for a number that is to the right of -4? 

 

 2 > −4 

one of many possible answers

200

What is the absolute value of 56?

56

300

Find the GCF of 45 and 27

9

300

What is the opposite of -11?

11

300

Plot -6 and it's opposite on a number line

-6 and 6 must be plotted correctly

300

What does  > −1 indicate about the positions of  and −1 on the number line?

 is located to the right of −1

300

True or false:

|-45| > |-50|

False

400

Find the LCM of 9 and 12

36

400

Tina recorded these temperatures in one day:

Morning temperature: +5°F
Afternoon temperature: 0°F
Night temperature: −1°F

What was the temperature difference between the morning and night?

6 degrees

400

How would you describe the location of the opposite of the number that -3 on a number line?

3 ticks or spaces to the right of zero.

400

A girl's feet are  yards from the surface of a pool. A boy's feet are  yards from the surface of the pool. Determine whose feet are closer to the surface.

The boy's feet are closer to the surface

400

The line of scrimmage is zero and a running back got the ball two different times. On the first run he ran for a loss of 11 yards. On the second play he ran for a gain of 6 yards. On which play did he run a further distance. Explain by using an inequality.

On the first play because |-11| > |6|

500

Find the GCF and LCM of 8 and 12

GCF - 4

LCM - 24

500

Bill lent some money to his two brothers. He wrote down the amounts so he would not forget. The list shows his younger brother with −$12.75 and his older brother with $0. Who owes Bill money?

His younger brother

500

Create a number line that would include tick marks with a value of 1/4. Go the value of 3 and -3.

number line must be correct

500

Arrange this set of rational numbers from greatest to least.

100.5, 5 1/2, -6.3, -4, -1/2, 0.25, -15

100.5, 5 1/2, 0.25, -1/2, -4, -6.3, -15

500

The surface of the lake would be considered zero. If a bird is flying 375 ft above the the surface of the lake and a fish is swimming 127 yards below the surface of the lake. Which animal is a further distance from the surface of the lake? Explain using an inequality.

Remember 3 ft in a yard.

The fish would be further from the surface of the lake because:

|-127 yards (381 Feet) | > |375| feet