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Grade 8

3.04 Substitution

Interactive practice questions

Find the value of $5+k$5+k when $k=9$k=9.

Easy
< 1min

Find the value of $z+2$z+2 when $z=-7$z=7.

Medium
< 1min

Find the value of $m+n$m+n when $m=6$m=6 and $n=-4$n=4.

Hard
< 1min

Find the value of $5+a+b$5+a+b when $a=-7$a=7 and $b=4$b=4.

Hard
< 1min
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Outcomes

8.C2.2

Evaluate algebraic expressions that involve rational numbers.

8.C4

Apply the process of mathematical modelling to represent, analyse, make predictions, and provide insight into real-life situations.

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