91Ó°ÊÓ

Apply the associative property to expression, and then simplify the result. 5(4 a)

Subtract. $$5-7$$

Draw a number line from 10 to 10 and use it to add the following numbers. $$-2+3$$

Draw a number line from 10 to 10 and use it to add the following numbers. $$-2+(-3)$$

Write each of the following in words. $$0>-4$$

Find each of the following products. (Multiply.) $$-9(-9)$$

Draw a number line from 10 to 10 and use it to add the following numbers. $$10+(-6)$$

Draw a number line from 10 to 10 and use it to add the following numbers. $$-9+3$$

Subtract. $$9-(-3)$$

Subtract. $$-4-(-7)$$