Mental Maths 5

value of 4 in 72 435 is

• 4000

• 40000

• 400

• 40

round off to the nearest ten 457 987

• 457 990

• 547 980

• 45 000

• 457 988

5000-500=

• 5 500

• 45 000

• 4 500

• 1

• 3

(2x1)+(4x100)+(6x1000) =

• 6204

• 6402

• 4602

A heptagon has ......

• 9 sides

• 8 sides

• 7 sides

A polygon has three sides or more.

• false

• true

3456+ 2420=

45 968 - 1000 =

• 45 868

• 46 968

• 45 768