Fractions, Decimals, & Percents
LCM vs GCF
Decimal Multiplication
Positive & Negative Numbers
Yearly Review
100

What is 50% written as a fraction?

50/100 0r 1/2

100

What is the GCF of 4 & 8?

4

100

What is the product?

3.4 x .5 =

1.7

100

Simplify/solve.

-9 -(-12) =

3

100

Ratios

Grandma Qutee saved 213 unique pennies.  Her grandson saved 134 unique nickels, and her granddaughter saved 350 unique dimes.

What is the RATIO of coins that the grandson has compared to the grandma?

134:213  or 134/213 or 134 to 213

200

What is 5/100 written as a decimal?

.05

200

What is the LCM of 5 & 25?

25

200

Find the product.

.55 x 2.5 =

1.375

200

-9 + -20 + 29 =

0

200

Solve the expression using the Distributive Property.

9(8 + 80)

9 x 8=  72

9 x 80=720

720

+72

792

300

Calvin finished 80 out of 100 questions on his test. What percent of the test does he have left to finish?

20%

300

What is the LCM of 12 and 36?

36

300

6.34 x 33=

209.22

300

Ms Eben said the temperature in Greeley was -9.  Her  friend, Julius, lives in Florida and says it's 79 degrees there.  What is the difference in temperatures?

88 degrees

300

What is the area of a square that measures 4 feet on each side?

16 feet squared

400

Using the GIANT ONE, write two equivalent fractions for the one below.

                           4/5

Answers vary

400

Emma and Liam are organizing books on shelves. Emma has 24 fantasy books, and Liam has 36 science books. They want to arrange their books so that each shelf has the same number of books and all books of the same genre stay together without mixing.

Question:
What is the greatest number of books they can put on each shelf so that both Emma and Liam have the same number of books on each shelf without any leftover books?

12 books

400

52.34 x 23.5 =

1229.99

400

Alex is tracking the temperature changes during a winter day. In the morning, the temperature was −5∘C. By noon, the temperature rose by 8∘C. Later in the evening, the temperature dropped again by 10∘C.

Question:
What is the temperature in the evening? Show your calculation.

-5+8-10     -7

400

Max had to paint a wall for his mom.  The wall was 5 feet by 7 feet.  The wall also had a window which was 2 feet by 3 feet, which didn't need to be painted.  How many square feet is Max going to paint?

29 ft2



500

Trina made a lasagna casserole.  She ate 1/5 of the dish.  What percent of the dish was left?  

80%

500

Two friends, Mia and Noah, are planting flowers. Mia plants a flower every 4 days, and Noah plants a flower every 6 days. They both planted flowers today.

Question:
After how many days will Mia and Noah both plant flowers on the same day again?

12 days

500

665.34 x 12.5 =

8316.75

500

Lucy the Frog was practicing her new hopping routine.  She started on 2.  Then she hopped left 8 spaces, right 4 spaces, and finally she finished by hopping 10 spaces right.

Write an expression showing how Lucy moved.

Also, on what number did she land?

2-8+4+10

10

500

Miguel drew a straight edged, closed shape in Art class.  It's sides measured 6 inches, 8 inches, and 4 inches.

What kind of shape did he draw?

What is the perimeter of this shape?

triangle

18 inches

M
e
n
u