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Number Theory
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Fractions/Decimals/Percentages
100

629 + 45

674

100

8 x 6 

48

100
Which of these is a prime number: 21, 29, 33

29

100

How many cm in a km?

100,000

100

what is one fifth as a percentage?

20%

200

973 - 137

836

200

80 divided by 5

16

200

What is the lowest common multiple of 6 and 5?

30

200

What 2D shape has 6 sides?

Hexagon

200

What is one eighth of 96?

12

300

647 + 374 + 234

1255

300

14 x 22 

308

300

What is the highest common factor of 24 and 36?

12

300

How do you find the area of a rectangle?

Multiply length by width

300
What is 5/8 as a decimal?

0.625

400

(5683 + 263) - 234

5712

400

2106 divided by 9 

234

400

What is 62

36

400

If the radius of a circle is 7cm, what is the diameter?

14cm

400

What is one half of one quarter?

1/8

500

(8475 - 857) + (3006 - 846)

9778

500

512 x 25

12800

500

what is 33

27

500

How do you find the volume of a cube?

Multiply length by width by height

500

What is 15% of 5000

750