Math 4 6th Graders

Addition & Subtraction

100

What is 1+2+3+4-1-2-3?

44

200

What is 25+13?

38

300

What is 39+57-6?

90

400

What is 385+136-24?

497

500

What is 5936+72559-38627?

39868

Multiplication & Division

100

what is 3x4?

12

200

What is 9x5?

45

300

What is 5x6x3?

90

400

What is 5x20x4?

400

500

What is 85x3x78?

19890

Variables

100

if x+5=8, what is x?

3

200

if 5v+7=12, then what is v?

1

300

if x+3=9 and y-5=2, then what is xy?

42

400

if 9x+3y+4=103, then what is the value of 3x+y?

33

500

if a²=9, what is a? (there are 2 different answers)

3 or -3

Exponents

100

what is 3²?

9

200

What is 5³?

125

300

Which is larger: 3⁴ or 4³?

3⁴

400

Which is larger: 4x6³, 2x7³ or 6x5³?

4x6³

500

What is 5²x7¹x6³/30?

1260

Fractions

100

what is 1/3 x 12?

4

200

What is 2/5 x 25?

10

300

What is 1/4 x 4/9?

1/9

400

What is 36 x 1/6 x 7/3?

14

500

What is largest: 12/25, 5/12, or 11/24?

12/25