Math · Grade 3
Mathematics 3
Multiplication and division, times tables, estimation, fractions, area, perimeter, time, mass and volume, quadrilaterals, scaled graphs and number patterns.
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Units
Unit 1 · reading, lab, quick check, quick check, task
What multiplication meansSee how 4 × 6 means four groups of six, and build products with groups, arrays and tiles.
Unit 2 · reading, lab, quick check, quick check, task
What division meansShare things out and make equal groups, and see why division is multiplication asked backwards.
Unit 3 · reading, lab, activity, quick check, quick check, task
Times tablesLearn every product up to 10 × 10 by building hard facts from easy ones, then make them stick.
Unit 4 · reading, lab, quick check, quick check, task
Split a hard fact into easy onesTurn an array around, or cut it in two, and a hard multiplication fact becomes two easy ones.
Unit 5 · reading, lab, quick check, quick check, task
Problems with two stepsFind the hidden question, solve in two steps, and use an estimate to catch wrong answers.
Unit 6 · reading, lab, quick check, quick check, task
Rounding and estimatingRound numbers to the nearest 10 or 100 and use them to get a quick answer that is close enough.
Unit 7 · reading, lab, quick check, quick check, task
Fractions live on the number lineSee that a fraction is a number with its own place on the line, and learn to find that place.