Multiplicative thinking resources

Students estimate a multiplication problem, share their methods, discuss the front-end method, and then do more problems using front-end.

In this task students decide which people are estimating and which are not, and explain their reasoning.

In this practical task, students are to estimate the cost of meals ordered from a menu. The teacher reads out the meals and students show the steps in their estimations.

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.

Students show how they would carry out estimation of multiplication tasks.

Students answer questions involving finding fractions in story problems about marbles and write their answer in its simplest form.

Students decide if a percentage statement is correct and explain their answer.

Students calculate the percentage by which clothing prices have been reduced.

Students identify and give rules for when numbers are divisible by three or by nine.

Students calculate the number of rocks in a wall set up as an array.

Students express proportions as percentages and calculate percentages.

Students use doubling and halving to solve a number of multiplication problems.

Students demonstrate their understanding of the order of operations and placing brackets.

Students compare fractions, identify which is larger, and explain or show their reasoning.

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 label given fractions of cake, and identify the remaining fraction.

Students calculate percentages of whole numbers and convert fractions to percentages.

Students calculate an exact square root and estimate approximate square roots by finding the length of the square flower bed of a given area, and give an explanation for their answers.

Students express a distance as a percentage of the distance of a whole journey, and calculate percentages or fractions of parts of the journey.

Students work out the number of covered counters on a 10 x 10 array.

In this practical task students drag fractions of different fish onto the body of a shark.

Students show how they estimate in some multiplication problems and come up with sensible estimates.

This practical task requires students to use a 1 metre measure to estimate the dimensions of a room, and then calculate the volume of the room.

Students calculate how price changes affect a purchase.