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1.  Relate multiplication to division
2.  Solve multiplication and division problems involving variables.
3.  Use estimation to decide if an answer is reasonable.
4.  Solve problems involving multiplication as comparison.
EX. 20 is 5 times as big as 4
5. Understand a whole number is a multiple of it's factors.
EX. 20 is a multiple of 2,4,5, and 10
6.  Distinguish whether a number is prime or composite.
7. Find all the factors of numbers within 100.
8. List multiples of a number.
9. Use the properties of multiplication to solve problems.

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Multiplication and Division are opposite operations.

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Practice writing fact families with this dice game!

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Examples relating multiplication to division | 3rd grade | Khan Academy

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Students have to figure out the total number of circles in the array with the hint given.

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Solving Word Problems with multiplication comparisons

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Solving Multiplication and Division Problems Involving Variables

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Solving Multiplication and Division Problems Involving Variables

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Use estimation to decide if an answer is reasonable

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Use estimation to decide if an answer is reasonable

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See how many shots you can make in the time limit! A missing addend/subtrahend/factor arcade basketball game.

Directions:

Move the ball left or right with your mouse and press the LMB (left mouse button) to shoot. If your shot is in the path of the correct answer you score a goal.

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See how many shots you can make in the time limit! A missing addend/subtrahend/factor arcade basketball game. Move the ball left or right with your mouse and press the LMB (left mouse button) to shoot. If your shot is in the path of the correct answer you score a goal.

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IXL | Properties of multiplication | 4th grade math

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Improve your math knowledge with free questions in "Properties of multiplication" and thousands of other math skills.

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Fourth Grade - Lesson 2.4 Multiplying with Estimation and Checking For

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This lesson will help you and your children learn and understand how to estimate factors before multiplying. You can do this by rounding, or by finding two numbers that their factor is between. Finally, you can check to see if your answer is reasonable.