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### Using Cubes and Isometric Drawings

6-8

Explore polyhedra using different representations and perspectives for three dimensional block figures.

### Visualizing Squares and Square Roots

6-8

Use geoboards to visualize the geometric meanings of square and square root.

### What's in a Name?

3-5

Explore
sets of names and create bar graphs, pictographs, glyphs, and circle graphs. ### Whelk-Come to Mathematics

9-12

Explore sets of names and create bar graphs, pictographs, glyphs, and circle graphs.

### Picture Books and Patterns in Numbers

3-5

This series of problems is based on the characters and
themes in “Black Dog,” by Pamela Allen. The picture book is not essential to
the teaching. However, it is used as an engagement tool that gives context for
the following story-based problems and mastering number, pattern, and algebraic
reasoning. ### Using an Elevator to Evaluate Signed Number Expressions

6-8, 9-12

Using an Elevator to Evaluate Signed Number Expressions Using the idea of an elevator moving up and down, students will be given a small set of rules to add and subtract signed integers. The idea behind the method of adding and subtracting signed integers offered in these lesson is that the number of rules that s

### Can You KenKen?

3-5, 6-8

The objective of this lesson is to use combinations to solve KenKen puzzles. An early solution strategy is for students to guess and check and use logic-based elimination. This lesson builds on those strategies by having students systematically list all possible combinations within each cage, the darkly outlined sections of the puzzle. ### KenKen for Younger Learners

Pre-K-2

In this lesson, students practice addition (subtraction optional) and deductive reasoning skills to solve KenKen puzzles.