2.05 Using the standard algorithm to add and subtract

Interactive practice questions

Use the number line, to help you find the value of $24+338$24+338.

$24+338$24+338 $=$= $\editable{}$

Easy

< 1min

Let’s find the value of $1007+7003$1007+7003, by partitioning the numbers.

Easy

3min

Find the value of $9736-425$9736−425.

Medium

< 1min

Find the value of $2143+241$2143+241.

Easy

< 1min

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