Interactive
Study Pad

Splash Learn: Count Objects Presented in Different Arrangements

For Students K - 1st Standards
[Free Registration/Login Required] Practice counting objects in different arrangments with this online game. Instant feedback is given after you choose your answer.
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Erikson Institute: Why One to One Correspondence Matters

For Teachers Pre-K - K Standards
A hallmark of accurate counting is when preschoolers begin to assign one number, and only one number, to each object as they count. We see this achievement when a child touches or tags each object in time with saying the counting words....
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Counting Mat

For Teachers Pre-K - 1st Standards
Students will practice counting and number identification with this activity which can be good for a math center. The teacher gives students the counting mat and many small objects to count with. Students will read the numbers and...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Mg How Many Cells Are in the Human Body?

For Teachers 9th - 10th Standards
About how many cells are in the human body? The purpose of this task is for students to apply the concepts of mass, volume, and density in a real-world context. Aligns with G-MG.A.2.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Mg, G Gmd Global Positioning System Ii

For Teachers 9th - 10th Standards
Satellites communicate with a GPS device and establish the distance between them and their locations. The set of points at a fixed distance from a satellite form a sphere so when the GPS receives its distance from a given satellite, this...