Checking understanding of algebraic notation | Maths | Quizalize & Oak National Academy

Starter quiz

Here is a number line with two numbers shown. What calculation will work out the length of the arrow?

$98 + 134$

$98 - 134$

$134 - 98$ ✓

$134\div 98$

$134\times 98$
Which calculation represents a half of 8?

${1\over 2} \times 8$ ✓

${1\over 2} \div 8$

$8\div {1\over 2}$

$8\over 2$ ✓

$8\times 2$
Which of these are integers?

$-3$ ✓

$-{1\over 5}$

0 ✓

3.6

101 ✓
A bag of sweets costs 5 p, which of these could represent the cost of buying any number of bags of sweets?

$a + 5$

$5a$ ✓

$a5$

$a^5$

$a\over 5$
Match each calculation to its answer.

$5 + 3\times 2 + 1$

⇔

12 ✓

$(5 + 3)\times 2 + 1$

⇔

17 ✓

$(5 + 3)\times (2 + 1)$

⇔

16 ✓

$5 + 3\times (2 + 1)$

⇔

14 ✓
Match each calculation to its answer.

${10-4\over 2} + 1$

⇔

4 ✓

$10-{4\over 2} + 1$

⇔

9 ✓

$10-4\over 2 + 1$

⇔

2 ✓

$10-{4\over 2 + 1}$

⇔

$26\over 3$ ✓

Which equations are represented by this bar model?

$y = 4x + 7$

$4x = y + 7$ ✓

$4x + y = 7$

$x = y + 7$

$y + 7 = 4x$ ✓
Which diagram could represent a rectangle that has a length 3 times its width?
Match up equivalent terms.

$-{x\over 4}$

⇔

$-{1\over 4} x$ ✓

$4x\over- 5$

⇔

$-{4\over 5} x$ ✓

$-5x\over 4$

⇔

$-{5\over 4} x$ ✓

$-x\over -4$

⇔

${1\over 4} x$ ✓

$-10x\over -8x$

⇔

$\frac{5}{4}$ ✓
Match each expressions to its description.

$3b - 7$

⇔

a number multiplied by 3 then subtract 7 ✓

$3(b - 7)$

⇔

a number subtract 7 then multiplied by 3 ✓

$b - 7 \times 3$

⇔

a number subtract the product of 7 and 3 ✓

$7 - 3b$

⇔

a number multiplied by 3 then subtracted from 7 ✓

$3(7 - b)$

⇔

a number subtracted from 7 then multiplied by 3 ✓
Select the values of $a$ and $b$ that satisfy the equation $2a + 6b = 12$ .

$a=-3, b = -1$

$a = 2, b = 10$

$a = 3, b = 1$ ✓

$a = 4.5, b = 0.5$ ✓

$a = 15, b = -0.5$
Andeep has 2 blocks, one block is 5 cm smaller than the other. The blocks have a combined height of 121 cm. How tall is the larger block? ______ cm

'63' ✓

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When converting English to algebra, pupils can mix up 4x + 2 and 4(x + 2)

Reviewing priority of operations and expanding brackets may be helpful. The multiplier operates on all terms in the bracket.

Integer - An integer is any positive or negative whole number or zero
Expression - An expression contains one or more terms, where each term is separated by an operator.
Equation - An equation is used to show 2 expressions that are equal to each other.