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Listed under:  Number lines

### Scale matters: ones

Explore the use of scale on a number line. Select a ruler displaying a helpful scale such as ones. Look at a pair of numbers such as 28 and 32 marked on a number line. Identify the number corresponding to another point. Or locate another point on the number line to complete a series of three numbers. Apply a marked scale ...

### Counting beetles: solving word problems

Look at a word problem that uses beetles. Use the number line to show how to solve the problem. Watch an animation of the problem on a number line. Make a number sentence to match the number line. This learning object is one in a series of five objects. Three objects in the series are also packaged as a combined learning object.

### Hopper: whole numbers

Help a frog to jump along a number line. Estimate the finishing point on a number line, after adding or subtracting multiples of whole numbers to a starting number. For example, 255+(10 x 4) = 295. Explore the patterns made on a counting grid and number line. Identify counting rules that match the pattern of 'landing spots' ...

### Scale matters: whole numbers: assessment

Test what you know about placing numbers on a number line. See two numbers on a line. Choose the best ruler to add markers to the number line and find the place for a third number. Rename the third number in two different ways by selecting the correct place values. For example, look at the numbers 35 and 47 on a number ...