Addition & Subtraction

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Presentation transcript:

Addition & Subtraction + - Add More than Minus Altogether Subtract Plus Take away Difference Less than

Addition & Subtraction + - 15 + 8 = 23 8 + 15 = 23 23 – 8 = 15 23 – 15 = 8 15 How do they link? 23 8

Addition & Subtraction + - H T U 2 7 4 3 4 8 + 6 2 2 1 1 H T U 67 112 14 3 4 8 – 3 7 6

Multiplication & Division x ÷ Multiply Divided by Factor Product Times Lots of Groups of Multiple Share equally

Multiplication & Division x ÷ 9 x 3 = 27 3 x 9 = 27 27 ÷ 3 = 9 27 ÷ 9 = 3 27 How do they link? 9 3

Multiplication & Division x ÷ . . . . . . . . . . 18 ÷ 3= 6 18 ÷ 6= 3 4 x 5 = 20 5 x 4 = 20

Multiplication & Division x ÷ 6 26 x 13 42 ÷ 6 = ? I know that 6 x 7 = 42 So the answer is 7. x 20 6 10 200 60 3 18 total 260 78 260 + 78 = 338