Chapter 1
Chapter 1. Whole Numbers. Addition. Remember addition sums must be in columns Remember subtraction sums must be in columns. 754 + 34 431 + 834 + 129 745 + 657 + 2 + 43. 645 – 321 7243 – 678 10 000 – 9874. Examples. Multiplication. Remember when multiplying by 10 add on 0
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