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PRACTICE: Addition and subtraction using an algorithm

Interactive practice questions

Use the number line, to help you find the value of $24+239$24+239.

200210220230240250260270

$24+239$24+239 $=$= $\editable{}$

Easy
< 1min

Find the value of $333+451$333+451.

Medium
< 1min

Find the value of $9664-433$9664433.

Medium
< 1min

Find the value of $2214+575$2214+575.

Medium
< 1min
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Outcomes

4.4b

estimate and determine sums, differences, and products of whole numbers;

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