Sugar Rush

Purpose

The purpose of this activity is to engage students in applying their number knowledge to solve a measurement problem.

Achievement Objectives
GM3-1: Use linear scales and whole numbers of metric units for length, area, volume and capacity, weight (mass), angle, temperature, and time.
NA3-1: Use a range of additive and simple multiplicative strategies with whole numbers, fractions, decimals, and percentages.
Description of Mathematics

In readiness for this problem, the students should have familiarity with each of the following components of mathematics. The problem may be solved with different combinations of these components.

  • multiples of ten
  • finding one tenth of a value
  • understanding that 10% = 1/10
  • skip counting in 5s
  • multiples of 5
  • knowledge of the mL as a unit of volume

This activity may be carried out with guidance, or by allowing the student to follow their own method of solution. The approach should be chosen in sympathy with students’ skills and depth of understanding.

Activity

 

A 350 mL can of soft drink says that it contains 10% sugar.

One teaspoon contains 5 mL.

Work out how many teaspoons of sugar are in one can of this drink.

 

The procedural approach (show more)

  • The student is able to follow a sequence of calculations, involving measurement and proportion, leading to a solution.

The conceptual approach (show more)

  • The student is able to construct a sequence of calculations, involving measurement and proportion, leading to a solution.
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Level Three