Brackets in algebra are used to show when a calculation has been repeated. The number outside the brackets shows how many times the calculation has been repeated. STEP 1 - Multiply out this bracket.

Use multiplication to tell "how many." Multiply by 2 using the grouping of objects. Explore multiplication to help us tell "how many." Multiply by 2 using the grouping of objects and arrays. Connect ...

Multiply by 8 using the grouping of objects, arrays, and facts you already know. Explore the Multiply by 8 facts using the grouping of objects and arrays. Compete against characters to see who finds ...