Counting by 10's is easy for students of this age. Knowing that base 10 can be used to help multiply and divide in the higher numbers by decomposing is critical. This lesson sets the base for future work.

Join Carlos in his soccer game and help him with some multiplication and estimation problems.

Explore prime and composite numbers, multiplication, and division with Julie throughout these interactive exercises.

Multiplying by more than one factor can be easy when you break the numbers down. Learn this problem solving strategy and others in this short lesson that demonstrates how to multiply with several factors. This lesson includes specific...

This lesson plan for primary students gives students hands-on practice in using a ruler and understanding customary measurements, length and width in inches. Students also create simple one and two digit addition problems related to the...

Great resource to practice and strengthen math skills pertaining to multiplication. Math worksheets are printable, may be customized, and include answer keys.

This task examines some of the properties of reflections of the plane which preserve an equilateral triangle. The task gives students a chance to see the impact of these reflections on an explicit object and to see that the reflections...