Equivalency Cubes (RGS6150)

Learners will love this hands-on learning tool, illustrating the relationship between fractions, decimals and percentages, with these colour-coded cubes.

This set includes 51 chunky, durable, 20mm colour-coded, interlocking cubes which represent the whole, halves, thirds, quarters, fifths, sixths, eighths, tenths, and twelfths.

Each cube is labelled on 3 sides — fraction, decimal and percentage.

All cubes are interchangeable, for example: make a whole with two ¼ cubes and one ½ cube.

Great for visual learners.

Age 8+.

In the pack
• 51 Interlocking Cubes in 9 colours
• Instructions in Afrikaans and English
• Age 8+

Develop basic maths skills
• fractions
• decimals
• percentages
• equivalency concept
• problem-solving

Parts of a whole
Begin with the largest cube from the set. It represents one whole unit (1, 1.0, 100%).
All remaining cubes represent parts of a whole.
Demonstrate that all cubes of the same colour are equal in value.
Explore cubes parts to the whole unit.
How many of the same colour cubes match the height of the whole unit cube?
Utilise maths vocabulary such as part, whole, equal-sized parts.

Simplify Fractions
Simplify fractions to lowest terms by finding equivalent fractions, using your Equivalency Cubes. The equivalent fraction that uses the fewest number of the same colour cubes, is in the lowest term.
Example: Build a fraction tower with 4x 1/8 cubes.
Ask learners to name the fraction. (4/8)
Encourage learners to find equivalent fractions. (4×1/4, 2x½)
Ask learners to determine which equivalent set has the fewest number of cubes (1/2). Therefore, 4/8 expressed in lowest terms is ½.

Equivalents
Build two equivalent decimals such as 1x½ and 3×1/6.
Encourage learners to observe and compare the height of each decimal.
Repeat with two sets of equivalent percentages and fractions.
Challenge learners to make another pair of equivalent cubes where the heights do not equal each other.
*Note: It is impossible — cubes are only equivalent if they have the same height!

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