Education World
Investigating Volume
Explore the concept of volume using unit cubes. Working individually or in small groups, your class measures with a ruler in inches and calculates the volume of various rectangular household boxes (provided by the teacher) and completes...
Curated OER
Count on Math
Students develop number sense up to a million. In this developing number sense up to a million instructional activity, students count their breaths in given time span. Students use blocks representing 10's and 100's to create a...
Willow Tree
Order of Operations
It's the classic please excuse my dear aunt sally strategy to remembering the order of operations. Young mathematicians practice to develop an understanding of the order of operations. Examples and practice problems include absolute...
Curated OER
Numeracy Lesson Plans
Students complete a series of lesson plans dealing with numbers, counting, and ordering. In this numbers lesson plan, students identify numbers, identify number patterns, count forwards and backwards, and more.
Illustrative Mathematics
Box of Clay
What happens to a volume when you scale the dimensions of a rectangular prism? In this problem, a box of clay is increased in each dimension, with the intent to see if learners can generalize the result. The addition of physical models...
Curated OER
Out of Sight Missing Addends
Students explore solving missing addend problems. Using manipulatives, students solve addition problems. They create a picnic basket-shaped math journal and write a summary of their activities. Students write number sentence that match...
Curated OER
Arrays And Factors
Students participate in a lesson that is concerned with the concepts of arrays and factors. They use a Hershey bar and divide it into segments in order to simulate the arrays. Then students construct other arrays from the leftover pieces.
Curated OER
Powers and Exponents
In this powers and exponents activity, students read about both, then write expressions as multiplications and solve, rewrite expressions using exponents and solve and express area and volume using exponents and solve.