CK-12 Foundation
Ck 12: Elem Math: Multiplying by 2
[Free Registration/Login may be required to access all resource tools.] The PLIX interactive media allows students to manipulate straws into glasses to understand the concept of multiplying by twos, followed by a video that connects...
CK-12 Foundation
Ck 12: Elem Math: Multiplying by 11
[Free Registration/Login may be required to access all resource tools.] The video describes how to multiply by 11 using repeated addition. The video is followed by a series of practice questions to assess student comprehension of the...
CK-12 Foundation
Ck 12: Elem Math: Common Multiples
[Free Registration/Login may be required to access all resource tools.] This site focuses on common multiples, a multiple of two or more numbers. It includes an interactive activity with a sports calendar and a practice quiz where...
CK-12 Foundation
Ck 12: Elem Math: Finding the Number From the Figure Patterns
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to identify multiplication patterns and to use their division facts to fill in missing factors. Includes video...
CK-12 Foundation
Ck 12: Elem Math: Dividing by 8
[Free Registration/Login may be required to access all resource tools.] For this learning module, students find the answers to problems where they must divide by 8 by using repeated addition and by checking the answer with...
National Council of Teachers of Mathematics
Nctm: Illuminations: Bunny Times
Become confident in facts up to 12 x 12 using visual models that stress the conceptual aspects of multiplication.