Question 1

Which statement is correct about this array?

Accepted Answer

There are 4 groups of 8 x 2

Answer

There are 8 groups of 4 × 2

Answer

There are 2 groups of 8 × 4

Question 2

Tick all the statements or expressions that are true about the representation.

Question 3

Tick the array that has been divided correctly into 3 factors.

Question 4

Which pair of factors would you choose for this calculation to calculate most efficiently?

Question 5

Tick the correct calculations.

Question 6

Andeep is calculating 5 × 48   He says he has simplified his calculation to 5 × 8 × 6 to make it easier.  Which statement is correct?

Accepted Answer

He could simplify it further by using 4 × 12

Answer

This is the most efficient calculation.

Answer

He could simplify it further by using 2 × 24