EASY
Lower Secondary Stage 9
IMPORTANT
Earn 100

Use the number line to estimate a value for 353.

Important Questions on Square Roots, Cube Roots and Calculation

EASY
Lower Secondary Stage 9
IMPORTANT

How to calculate square numbers and square roots, cube numbers and cube roots? What are the values of 9 and 643?

EASY
Lower Secondary Stage 9
IMPORTANT
How to use the order of operations, including brackets, with more complex calculations? Calculate 7-1+22×3
MEDIUM
Lower Secondary Stage 9
IMPORTANT

Fill in the empty squares with 2, 3, 4, 5, 6, 7, 8, 9 so that the six equations are true when you read them across and down.

EASY
Lower Secondary Stage 9
IMPORTANT
Estimate which is bigger : 100+25 or 90+15
EASY
Lower Secondary Stage 9
IMPORTANT

_____ is an integer less than 10.

Find the values that _____ can be if 2.8<_____<4.

MEDIUM
Lower Secondary Stage 9
IMPORTANT

Find the answers. Which of these calculation is the odd one out?

3×4-12, 27÷9-23, 85-22÷32-2×3, 2+1×324-3

MEDIUM
Lower Secondary Stage 9
IMPORTANT

Put these calculations in order starting from the smallest:

36÷32-22100÷3+2292-5×20÷22+3×2,206-23-23