Mathematics Revision

What is the value of the digit 2 in 24 908?

• 200

• 20000

• 2000

What is the place of the digit 7 in 90 714?

• Hundreds

• Tens

• Thousands

Change 94% into a decimal.

• 9.4

• 94.0

• 0.94

Change 0.07 into a percentage.

• 7%

• 70%

• 0.07%

Add 25 and 43

• 69

• 68

• 86

Find the product of 8 and 5

• 41

• 45

• 40

What is the value of: 5 ²

• 25

• 10

• 20

 $What\ is\ the\ value\ of:\ \sqrt{100}\ \ ?$  

• 1

• 10

• 20

 $Calculate:\ 30\ \div\ 6$  

• 6

• 4

• 5

 $Simplify:\ a\ +\ 6a\ -2a$  

• 5a

• 4a

• 9a