3.1
Illustrate the product of two whole numbers as equal groups by identifying the number of groups and the number in each group and represent as a written expression.
Example Problems
A truck is traveling at .
Write an expression for how many miles the truck travels after .
Write an expression for how many miles the truck travels after .
John used a $100 bill to pay for a pair of shoes that costs z dollars.
Write an expression for how much change John received from the cashier.
Write an expression for how much change John received from the cashier.
Megan is a teacher. She needs to buy 7 notebooks for each student. There are students.
Write an expression for how many total notebooks she needs to buy.
Write an expression for how many total notebooks she needs to buy.
Khan Academy ResourcesIntro to multiplication: FAQBasic multiplicationUnderstand multiplication using groups of objectsRelate repeated addition to multiplicationUnderstand multiplication with arraysEqual groupsMultiply using groups of objectsMultiplication in contextsMultiply with arrays2-step word problemsUnderstand equal groups as multiplicationMultiplication in real world contextsEqual groupsMultiplication as repeated additionMultiplication with arraysMore ways to multiplyMultiplication as equal groupsIntroduction to multiplication
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