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Common Core · 4th grade

4.NBT.B.5

Multiply up to a four-digit number by a one-digit number, and two two-digit numbers, using place value strategies like area models.

Strategies

Strategy · 3rd grade, 4th grade, 5th grade
What is the area model for multiplication?
The area model is a way to multiply by drawing a rectangle, splitting each number into tens and ones, and multiplying the smaller pieces. Adding the pieces g…

Articles

Article · 3rd grade, 4th grade
Multiplying 23 × 14 without "carrying the one"
The area model turns a hard multiplication problem into four easy ones. Here is how it works, why teachers love it, and how it connects to the method you lea…

Worksheets

Worksheet · 3rd grade, 4th grade
Area model multiplication practice
Six multiplication problems with area model boxes already drawn, from 23 × 4 up to 25 × 16. For 3rd and 4th graders learning to multiply bigger numbers.