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Numbers, units and arithmetic
Numbers, units and arithmetic

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Activity 43

Evaluate each of the following.

  • (a) three divided by 10 plus five divided by 10

  • (b) 11 divided by 32 minus seven divided by 32

  • (c) seven divided by 16 minus two divided by 16

  • (d) one divided by three plus one divided by six

Answer

  • (a) equation sequence part 1 three divided by 10 plus five divided by 10 equals part 2 three plus five divided by 10 equals part 3 eight divided by 10 times left parenthesis or four divided by five right parenthesis

  • (b) equation sequence part 1 11 divided by 32 minus seven divided by 32 equals part 2 11 minus seven divided by 32 equals part 3 four divided by 32 times left parenthesis or one divided by eight right parenthesis

  • (c) equation sequence part 1 seven divided by 16 minus two divided by 16 equals part 2 seven minus two divided by 16 equals part 3 five divided by 16

  • (d) equation sequence part 1 one divided by three plus one divided by six equals part 2 two divided by six plus one divided by six equals part 3 three divided by six times left parenthesis or one divided by two right parenthesis