Y10 EOY revision

Round 45.73 to one decimal place.

• 45.7

• 45.8

• 45.0

• 45.75

What is the value of the digit '6' in the number 23.469?

• 6 tens

• 6 units

• 6 tenths

• 6 hundredths

Estimate the answer to 9.8 x 2.1 by rounding each number to the nearest whole number.

• 18

• 20

• 21

• 22

Convert 5,200,000 into standard form.

• 5.2 x 10^6

• 0.52 x 10^7

What is the lower bound of a length measured as 12 cm to the nearest cm?

• 11 cm

• 11.5 cm

• 11.5 cm

• 12.5 cm

Calculate 15 - (-5).

• 10

• -10

• 20

• -20

Calculate 0.4 x 0.8.

• 3.2

• 0.32

• 0.32

• 0.032

Apply the order of operations: 10 + 2 x 3.

• 36

• 20

• 16

• 12

Which of these is a surd in its simplest form?

• √9

• √16

• √7

• √4

Which of these is a factor of 20?

• 3

• 6

• 5

• 7