6x6=
36
12/2=
6
Write an equation using doubling and halving that is equal to 3x4.
6x2
99x4
100x4
What strategy do you use when the question asks you to find the sum?
5x8=
40
40/5=
8
Write an equation using doubling and halving that is equal to 5x12.
10x6
27x5
30x5
What strategy do you use when a problem asks you to find the product?
Multiplication
9x5=
45
27/9=
3
Write an equation using doubling and halving that is equal to 4x6.
2x12 OR 8x3
19x7
20x7
What strategy would you use to find the difference?
Subtraction
40x6=
240
36/6=
6
Write an equation using doubling and halving that is equal to 8x12.
4x24 OR 16x6
38x6
40x6
what are the factors in multiplication?
the two numbers you are multiplying
100x6=
600
48/4=
12
Write an equation using doubling and halving that is equal to 7x4.
14x2
999x5
1000x5
What strategy do you use to find if a question asks you to find the dividend?
Division