Use the number line to find the answer to $9-4$9−4.
First place $9$9 on the number line.
Place $4$4 on the number line.
Use the number line to work out the difference between $9$9 and $4$4.
Represent, compare, and order whole numbers to 1000, using a variety of tools
Add and subtract three-digit numbers, using concrete materials, student generated algorithms, and standard algorithms