Exercises: Algebraic Expressions and Simplification

Work through each section in order. Show your working for expanding and factorising problems.

Grade 7·19 problems·~28 min·Uganda NCDC Primary 7 Mathematics·lesson·algebra-01

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Recall / Warm-Up

These problems review the vocabulary of expressions before you simplify them.

In the term $7x$ , what is the number $7$ called?

The constant

The coefficient

The variable

Which of these is an expression, not an equation?

$2l + 2w$

$2l + 2w = 20$

$x + 7 = 12$

Simplify $4x + 3x$ .

Which pair below are like terms?

$5a$ and $5b$

$6y$ and $6y^2$

$9m$ and $2m$

Simplify $9b + 6b$ .

Simplify $8c + 3d - 2c$ .

Expand $5(y + 3)$ .

Expand $4(2p - 3)$ .

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