Ms. Wilkey Math MCAS Review

Exponents

100

4³

64

200

3+3⁴

84

300

(1+5)²

36

400

3 x 3² + 6

33

500

7 x (1/2)⁴

7/16

Solve for X

100

3x=15

x=5

200

3x=45

x=15

300

x + 19 = 27

x=8

400

x - 0.35 = 9.27

x=9.62

500

(1/2)x = 3/4

x=6/4

x=1 and 2/4

x= 1 and 1/2

Dividing Fractions

100

1/2  ÷  3/4

4/6 or 2/3

200

Ms. Wilkey buys 10 pizzas for her class because she wins the lottery. Each student gets 1/5 of a pizza. How many students did she buy pizza for?

She bought pizza for 50 students. 

300

Ms. Medina drinks 5 1/2 coffees this week. She spread her coffee drinking over 7 days. How much coffee did she drink per day?

She drank 11/14 of a coffee per day?

400

Ms. Cristie has 3 1/4 cups of flour. The cookie recipe she is following calls for 1 1/2 cups of flour. How many cookies can she eat?

She can eat 26/12 cookies

2 and 2/12 cookies

2 and 1/6 cookies

500

Ms. Wiseman gives 1/5 of a king size candy bar to each student. She has 12 students. How many candy bars did she give away?

She gave away 12/5 candy bars

She gave away 2 and 2/5 candy bars

Percentages

100

Ms. Wilkey has finished grading 1/5 of her papers. What percent is this?

1/5 is 20% of the papers.

200

Julian finished 3/4 of his video game level. What percent is this?

3/4 is 75% of his video game level.

300

What is 45% of 30?

13.5 is 45% of 30

400

What is 2% of 98?

1.96 is 2% of 98.

500

25% of what number is 75?

25% of 300 is 75.

Describing Data

100

What is the mode of the following data?

4 5 2 4 1 2 4 9 0

The mode is 4.

200

What is the range of the following data?

4 5 2 4 1 2 4 9 0

The range is 8 because 9-1=8

300

What is the median of the following data?

4 5 2 4 1 2 4 9 0

The median is 4

400

What is the mean of the following data?

4 5 2 4 1 2 4 9 0

The mean is 3.44

500

What do mode, median, and mean all measure?

Mode, mean, and median all mesure the CENTER of data.