Multiplicative thinking resources

Students recommend which store offers the cheapest product based on calculations of percentage increase or decrease, and fully justify their answers.

Students use rounding to estimate totals then discuss this as a method of estimation.

Task: calculate answer to questions about speed, distance, and time. Assessment focus: using a formula.

Students calculate percentage increases and decreases for odd jobs and show their working.

This practical task involves students making best estimates of sets of items and clearly demonstrating their method(s) of estimation.

Students estimate and explain how they estimated their answer for two number problems: one involving multiplication; and the other division.