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India
Class VII

Rewriting subtraction problems

Interactive practice questions

Consider the difference $88-20$8820 :

a

Find the highest common factor of $88$88 and $20$20.

b

Complete the gaps such that $88-20$8820 is rewritten as an equivalent multiplication using the distributive property.

$88-20$8820

$=$=

$4\times\left(\editable{}-5\right)$4×(5)

  $=$=

$4\times\editable{}$4×

Easy
2min

Consider the difference $105-15$10515.

Easy
< 1min

Consider $11\left(7-3\right)$11(73).

Easy
< 1min

Given $2\left(5-3\right)+5\left(5-3\right)$2(53)+5(53):

Easy
1min
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Outcomes

7.NS.KN.2

Properties of integers (including identities for addition & multiplication, commutative, associative, distributive) (through patterns). These would include examples from whole numbers as well. Involve expressing commutative and associative properties in a general form.

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