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Arizona Math Standard: 4.NBT.B.5

Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.

Broken Calculator: Multiplication Cross Product

Broken Calculator: Multiplication Cross Product

This calculator multiplies almost correctly. Students will find the one step it skips.

Spring Math Worksheets: Multiplication and Division

Spring Math Worksheets: Multiplication and Division

Sets of multiplication and division practice problems. But the unknown isn’t where you expect it to be!

Factors and Codes: First Names (Episode 2)

Factors and Codes: First Names (Episode 2)

Scrambled up somewhere in 161,000 is a first name. Can you find it!?