Measurement: numbers and mathematical symbols
1 + 1 = 2 1 plus 1 equals 22 - 1 = 12 minus 1 equals 1
2 x 2 = 4 2 multiplied by 2 equals 44 : 2 = 24 divided by 2 equals 2
Say if these statements using symbols + - x are true or false.
2 x 3 = four ? 6 + 2 = nine ? 12 - 3 = eleven ? 15 : 5 = three ?
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