STEM Week 2

Finding Mean

100

Find the Mean of this data set:

8, 2, 4, 9, 6, 7

6

200

Find the mean of this data set:

23, 39, 19

27

300

Sarah and Jessie are trying to create data sets with a mean of 8. 

Sarah's data set is : 3, 7, 6, 16, 9, 4

Jessie's Data set is : 16, 7, 8, 3, 6

Whose data set has a mean of 8?

Jessie's Data Set:

16, 7, 8, 3, 6

400

A basketball team played 5 games. In game 1, they scored 38 points. In game 2, they scored 29 points. In game 3, they scored 16 points. In game 4, they scored 42 points. In game 5, they scored 33 points. What is their average number of points scored for these 5 games?

31.6 points

500

What is the mean of this data set?

3, 4, 3, 0, 2, 0, 7, 2, 5, 3, 0, 1

2.5

Multiplying Decimals

100

Solve:

5.8 x 3 = 

5.8 x 3 = 17.4

200

Solve:

4.2 x 9.1 =

4.2 x 9.1 = 38.22

300

Solve: 

.321 x 7 =

.321 x 7 = 2.247

400

Gwen bought 5 boxes of Fruit Loops. One box of Fruit Loops costs $2.93. How much money did Gwen spend on Fruit Loops?

$14.65

500

If a car travels 44.5 mph for 3.7 hours, how many miles will it travel?

164.65 miles

Dividing Decimals

100

Remember:  /  means "divided by"

3.2 / 4 =

3.2 / 4 = 0.8

200

Solve:

2.4 / .5

2.4 / .5 = 4.8

300

Solve:

3.21 / 1.5

3.21 / 1.5 = 2.14

400

DeMar bought 5 cans of Italian Wedding Soup for $17.30. How much would one can of soup cost?

$3.46

500

It takes Shawn 3 hours to ride his bike 46.5 miles. How fast is Shawn going on his bike?

15.5 mph

One-Step Equations

100

Solve for y:

7y = 56

y = 8

200

Solve for e

e / 4 = 12

e = 48

300

Solve for f:

9f = 126

f = 14

400

Solve for g

g / 3.5 = 9

g = 31.5

500

Solve for h

11h = 13.2

h = 1.2