Multiplicative thinking resources

Students calculate the cost of multiple CDs given the unit cost for a single CD.

Students calculate the number of free gifts distributed at a Tennis Championship given the number of people entering and the frequency of the gifts given away.

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

Students calculate the lengths and areas of a road sign.

Students write addition, subtraction, multiplication, and division story problems for given car advertisements.

Students calculate fractions of a total number of cars. They also calculate the total number of cars, given an identified fraction of this total.

Students show or explain how to share equally amongst a number of people.

Students to show how to calculate problems that involve rates and ratios.

Students show how to divide 3-digit whole numbers into equal sized groups and identify any remainder.

Students discuss making an interval estimate in multiplication problems (i.e., getting a lower and an upper limit for the actual answer using the front-end and rounding-up estimation methods). They then use this method on two problems.

Students demonstrate their understanding of the effect of division and multiplication involving fractions.

Students identify the larger of two improper fractions and drag a number of improper and mixed fractions into ascending order.

Students show or explain how to share cakes and pizzas equally amongst a number of people.

Students convert heights of a building into the percentage of the given total height, explaining how they solved some conversions. Assessment focus is on how they calculate these heights and what strategies they use.