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.
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 Leaves on a Tree?

For Teachers 9th - 10th Standards
This is a mathematical modeling task aimed at making a reasonable estimate for something which is too large to count accurately, the number of leaves on a tree, taking into account the tree size and the density of the leaves. Aligns with...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Mg How Many Leaves on a Tree? (Version 2)

For Teachers 9th - 10th Standards
In this task, students must estimate the number of leaves on a large tree, taking into account various complex factors such as the area shaded by the tree, the area of irregularly shaped leaves, the uneven distribution of leaves, the...