CK-12 Foundation
Ck 12: Elem Math: Listing All Factors
[Free Registration/Login may be required to access all resource tools.] Students attempt practice problems by listing all the factors of a number.
Illustrative Mathematics
Illustrative Mathematics: Picturing Factors in Different Orders
The purpose of this task is to help students picture the multiplicative structure of the number 30 in different ways. Some of this structure is easier to communicate using grouping symbols, as it is easier to interpret...
Khan Academy
Khan Academy: Multiply 2 , 3 , and 4 Digits by 1 Digit With Area Models
Use an area model to decompose the larger factor and multiply. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Math Grade 3
Browse resources related to third-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
NumberNut
Number Nut: Multiplication: Multiplying More Than Two Factors
Explains how to multiply when there are three or more factors. Includes related activities.
Better Lesson
Better Lesson: Fun With Four: Decomposing to Known Factors of 1, 2, and 5
Third graders act as problem solvers to take an unknown fact and solve it by breaking it down into pieces that are known.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide Multip, Div With Units of 0, 1, 6 9, and Multiples of 10
A guide to support parents as they work with their students in multiplication and division with units of 0, 1, 6-9, and multiples of 10.
Better Lesson
Better Lesson: Equal Groups: How Many Stars in the Sky?
Third graders develop their understanding of multiplication by grouping objects into equal groups to model the factors and products.
University of Cambridge
University of Cambridge: Maths and Sports: Medal Muddle
Can you work out which order these thirteen nations finished in after competing? This activity presents an exercise in strategic thinking, accessible to lower secondary students (but hinting at the more advanced mathematics of sorting...
TeachEngineering
Teach Engineering: On Track Unit Conversion
Students use three tracks marked on the floor, one in yards, one in feet and one in inches. As they start and stop a robot specific distances on a "runway," they can easily determine the equivalent measurements in other units by looking...