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About this game
Whole number times a fraction: a free Grade 5 math game for ages 10-11. Kids multiply a whole number by a fraction. Each round brings 10 fresh questions with new numbers; instructions are read aloud and every answer is checked.
Multiplying a fraction does not mean multiplying everything in it. Whole number times a fraction shows cards like 5 × 2/7, with three fractions to choose from, a whole number from 2 to 5 and fractions with bottom numbers up to 8. The numbers are drawn fresh for each card, ten per round, so a repeat can turn up. Your child taps an answer in this Grade 5 game, and each tap is checked.
5 × 2/7 means five lots of two sevenths: 2/7 + 2/7 + 2/7 + 2/7 + 2/7, which is 10/7. The pieces are still sevenths, so the bottom number stays put and only the top number is multiplied. The hint says exactly that. Answers above 1, like 10/7 or 35/8, are normal here.
Multiplying both numbers is the tempting move. For 5 × 2/7, the choice 10/35 multiplies top and bottom, and that is just 2/7 again in disguise. Ask, "Did the pieces get smaller, or did you get more?" Then add the fractions out loud once. Say, "You kept the sevenths as sevenths."