Hewavisenti, Lakshmi

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hewavisentilakshmi

Shapes and solids

1991
Explains investigating and classifying various geometrical figures, and how to rearrange them to demonstrate mass and volume. Includes games.

Measuring

1991
Presents activities involving quantity, proportion, length and weight, estimating and approximating with numbers, and graphic representation.

Problem solving

1991
Colorful puzzles and games help readers learn to use functions and formulas for addition, subtraction, multiplication, division, fractions, and data processing.

Counting

1991
Puzzles, games, and projects help readers recognize numbers and learn adding, subtracting, and estimating.
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