First numbers
Usually ages 3–5
Counting to 5 and 10 · more and fewer · shapes · patterns
8 units
- One, Two, Three Apples
- Hidden Shapes
- Five Little Fingers
- Which Has More?
- Pattern Parade
Numbers to 20
Usually ages 5–6
Counting to 20 · making 10 · adding and subtracting to 10
9 units
- Count on Ten Fingers
- Collect Twenty Stars
- Line-Up Leader
- Seesaw Scales
- Build a Shape Castle
Numbers to 100
Usually ages 6–7
Numbers to 100 · adding and subtracting to 20 · clocks
9 units
- Addition Rocket Launch
- Subtraction Slide
- Number Storybook
- Tower of 50 Blocks
- The Road to 100
Times tables
Usually ages 7–8
3-digit numbers · regrouping · length · times tables · money
14 units
- The Hundred-Floor Tower
- Borrow It Down!
- Group Magic
- Ruler Explorers
- Every Minute Counts
Multiply & divide
Usually ages 8–9
3-digit math · multiplying and dividing · fractions and decimals · shapes and circles
14 units
- Big Addition Mission
- Share the Pizza Fairly
- Shape Town
- Land of Pie Slices
- The Decimal Thermometer
Big numbers & angles
Usually ages 9–10
Big numbers · angles · multi-digit × and ÷ · adding fractions · triangles and quadrilaterals · graphs
17 units
- Giant Numbers
- The Multiplication Giant
- Secret of the Railroad Tracks
- Cake Slice Puzzle
- Polygon Signs
Factors & multiples
Usually ages 10–11
Order of operations · factors and multiples · area · averages · congruence and symmetry · cuboids
14 units
- Order-of-Operations Puzzle
- Best Number Partners
- Fraction Makeover
- Butterfly Mirror
- Chocolate Bar Leftovers
Ratios & rates
Usually ages 11–12
Dividing fractions and decimals · ratios · proportions · circles and volume · prisms and cylinders · percentage bars
14 units
- Sharing the Cheese
- Wrapping the Gift Box
- The Perfect Lemonade Ratio
- Flip and Multiply
- Splitting the Honey Pot