We are going to work out how to represent $3\times\frac{4}{5}$3×45 on the number line.
First mark $\frac{4}{5}$45 on the number line.
Now mark $3\times\frac{4}{5}$3×45 on this number line.
We are going to work out how to represent $2\times\frac{7}{8}$2×78 on the number line.
We are going to work out how to represent $2\times\frac{7}{4}$2×74 on the number line.
We are going to work out how to represent $3\times\frac{3}{5}$3×35 and $9\times\frac{1}{5}$9×15 on the number line.