Revision Questions for Term 1

• 5

• 10

• 15

• 25

• • - 1

• 0

• 1

• • - 28

Write the product of 16 and 4 in 1 significant digit.

• 70
• 80
• 50
• 60

Write ten billion in standard form.

• 14

• 19

• 49

• • - 14

Work out (9-25)(9+20)

• -464
• -4640
• -46400
• -446

• 10 - 2n
• 2n - 10
• n - 10
• 2n + 10