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Divisibility Rules

100

A number is divisible by 6 if....

It is divisible by both 2 and 3.

200

Is 115 divisible by 5? How do you know?

Yes -  it ends in a 5

300

Which of the following numbers are divisible by 2 and 3?   80, 72, 67, 228, 89

80, 72, 228

400

A number ends in 0. List all the numbers (from 2, 3, 4, 5, 6, 8, 9, 10) that it will definitely be divisible by.

2, 5, 10

500

A number is divisible by 9 if...

The sum of the digits is divisible by 9.

Integers

100

What is (-3) + 5?

2

200

(-4) + (-6)

(-10)

300

(-8) x (-8)

64

400

(-15) + 12

(-3)

500

(-10) - (4)

(-14)

Fractions

100

What is 10/4 as an mixed number?

2 1/5

200

Simplify 12/36

1/3

300

5/7 x 3/5

3/7

400

What is 4/10 + 2/10?

3/5

500

2/7 / 4/3

3/7

Converting Fractions/Decimals/Percents

100

What is 0.4 as a percent?

40%

200

What is 55% as a fraction?

55/100

300

What is 135% as a decimal?

1.35

400

What is 0.07 as a percent?

7%

500

What is 25% as a decimal?

0.25

Discounts

100

What is 30% off 120?

36

200

Calculate the GST (5%) on an item that costs $7.65?

0.38

300

What percentage is PST in MB?

7%

400

What is the final price of an item that costs $45.96 if it has a 56% discount?

$20.22

500

Calculate GST and PST to find the total price for an item that costs $45.00.

$50.40