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# Multiplication 3

Multiplication is essentially repeated addition, or growing numbers by doubling, tripling, quadrupling, and so on. This unit presents mental models and strategies that help students learn and review the concept of multiplication. Students explore multiplication using arrays, partial products, doubling methods and the standard algorithm to solve numerical and word problems. Students will multiply whole numbers and simple decimals by base ten exponents (i.e. .3 x 103).
This lesson includes 5 printable learning activities

## Double-Digit Array Multiplication with Radars

Mayday, mayday! Muggo's fleet is in trouble. Fifth graders must calculate the product of smaller arrays to help Muggo's ship get back on course. Great for visual learners, this array game shows students how to determine the product of two-digit multiplication problems by dividing the area of a grid into smaller arrays. Practicing these skills help kids move from concrete to abstract problem-solving in multiplication.

## Multi-Digit Multiplication and Partial Products 2

For students just learning how to deal with partial products, this exercise will make the job less complicated.

## Multi-Digit Multiplication and Doubling

Aid your fourth grader in learning multi-digit multiplication with these exercises that show students how to visualize doubling.

## Multi-Digit Multiplication and the Standard Algorithm 2

Fifth graders are ready to learn how to multiply multi-digit numbers once they've mastered simpler problems and are looking for a challenge. Give students the practice they need to succeed with these exercises.

## Build a Pool: Area Models and Multiplication Word Problems

Architects on the ready! Practice finding the area while giving kids the opportunity to build a pool in this hands-on math game. Kids will love having control of the game and letting their imaginations run wild while creating a pool with a set area. Follow-up word problems help kids take their backyard design a step further while using multiplication to answer questions about area.

## Multi-Digit Multiplication and Word Problems 1

Fourth graders apply their multiplication skills with these exercises that tie in school lessons with the real world in word problem form.

## Multiplying Decimal Numbers in Science

Break out your beakers! Kids help Penelope the scientist clone herself by answering multiplication questions. In this science-themed game, children learn what happens when they multiply decimals and whole numbers. This understanding is reinforced by fun visuals of beaker fluid rising and falling to show how answers change based on multiplying by a whole number versus multiplying by a decimal.

## Multiplying Decimal Numbers to the Tenths Place

Teach your fifth grader the importance of multiplying by decimals with these exercises that give them actual situations and helpful hints.

## Multiplying Decimal Numbers to the Hundredths Place

Build on your students' knowledge of decimals and multiplication with these exercises that incorporate both skills together.

## Exponents

Demystify the concept of exponents for students with a simple round of practice with this exercise.

## Multiplication and Powers of 10

Have your students merge two skill sets with these exercises that incorporate powers of ten into multiplication problems.

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