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Question 1 of 6
1 of 6
Look for a common factor to help you match the expressions that are equal in value.
Click and drag answers to change the order, or select using Tab then move by pressing Space and the arrows on your keyboard.
23 × 12
9 x 12
20 x 15
17 x 14
16 × 12 + 7 × 12
16 × 12 − 7 × 12
11 × 15 + 9 × 15
14 × 6 + 11 × 14
Look carefully to find a common factor, and then look at the other factors in each expression. In this example, 8 × 10 + 5 × 10, the common factor is 10, so we can say it is equal to 13 × 10