Question

Use the number line to add the fraction.

A number line ranging from negative 1 and 3 tenths to 9 tenths, in increments of 1 tenth.

Drag and drop the answer into the box to match the sum.

Answer 1

sum: 1/10

Explanation:

You want to add -2/5 +1/2 on a number line graduated in tenths.

Addition

The first number is represented by the mark -2/5, to the left of 0 on the number line. The second number (1/2) is added by moving 5/10 from that point to the right. The end result of the addition is +1/10.

This is illustrated in the attachment.

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