Math 6 Review

Ratios

100

There are 10 girls and 11 boys in the class room, what is the ratio of boys to total students?

11:21

200

There are 6 sharks in the tank and 7 fish in the tank. What is the ratio of fish to sharks?

7:6

300

There are 8 bags of chips and 16 drinks. What is the ratio of chips to drinks? Simplify

2:1

400

The ratio of mammals to fish are 4:5, what is the fraction of mammals to fish and mammals?

4/9

500

The ratio of pencils to crayons are 4:16, what is the ratio of crayons to both pencils and crayons? Simplify

1:5

P.E.M.D.A.S

100

45 x (40/2)=

900

200

what does the letter P mean in P.E.M.D.A.S

parenthesis 

300

What does the E mean in P.E.M.A.S

Exponent 

example: 5² = 25

400

4x(6+4)x7

280

500

five to the second power

25

Fractions

100

1/2 + 1/2

1 whole

200

Simplify: (1/2)(2/5) 

1/5

300

Simplify: (1/2) divided by (1 2/5)

5/14

400

Simplify: 12 divided by 3  1/2

3   3/7

500

There are 12 slices of pizza, Maya ate 6 slices, JJ ate 3. What part of the pizza has been eaten? Simplify

3/4

Exponents

100

5³

125

200

10²

100

300

6⁴

1296

400

9²

81

500

3⁴

81

Central Tendancy

100

What is the range

2,1,3,6,5,8

7

200

What is the mean

2,1,5,8,5

10.5

300

What is the mode 

2,3,6,7,6,2,6

6

400

What is the median

2,9,3,6,7

5.4

500

Give the value of the 5 number summary:

2,19,17,21,6

Min: 2     Q1: 4     Median: 17       Q3: 20    Max: 21