Question

Celine is knitting a scarf. The finished length will be 1.2 meters. So far she has knitted 0.8 meters. How many more meters does Celine need to knit? Draw a number line to solve.

Answer 1

0.4 meters

Explanation:

We can use a number line:

<----| - | - | - | - | - | - | - | - | - | - | - | - | -------->

0 .1 .2 .3 .4 .5 .6 .7 .8 .9 1 1.1 1.2

If you count the number of dashes between 0.8 and 1.2, there will be four of them. The answer is 0.4 meters.

Answer 2

.4 meters

Explanation:

1.2-.8=.4

0————.4————.8————1.2