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Play select games from the ST Math third grade curriculum. Concepts include multiplication, division, fractions, and more.

Develop concept of multiplication as equal groups.

- Develop concepts and strategies for multiplication as equal groups.
- Levels begin with finding the number of shoes for one creature with 0 to 10 legs, then advance to solving multiplication expressions.
- Interpret multiplication expressions in the form 3 x 4 as 3 groups of 4.

Develop division concept and strategies using an area model.

- Develop concepts and strategies for division using a visual, area model.
- Levels begin with visual models, then advance to solving division expressions.
- Interpret division expressions in the form 8 ÷ 2 as 8 blocks divided into 2 rows.

Develop strategies for missing factor problems

- Develop strategies for finding the number of creatures needed for a given set of shoes.
- Levels begin with visual models giving a set of shoes, then advance to finding the missing factor in a visual model.
- Apply ideas of repeated addition,subtraction and division to missing factor problems.

Represent fractions with visual models

- Develop concept and notation for unit and non-unit fractions.
- Levels begin with modeling unit fractions with area models, then advance to representing visual models with unit and non-unit fractions.
- Understand the role of denominators as dividing area into equal parts and numerator as selecting that number of parts.

Estimate fractions on a number line using circle models.

- Develop the concept of fractions as numbers on a number line using circle models (wheels).
- Understand that a whole wheel unrolls to measure the unit whole (distance from 0 to 1).
- Levels begin by estimating points on a number line using wholes and halves, then progress to representing points on a number line using unit fraction models.

Find the area and perimeter of rectangles.

- Develop the concept of area as measured by squares and perimeter as measured by linear units.
- Levels begin with visual models and selecting squares or sticks for area or perimeter, then advance to creating rectangles for a given area and perimeter.
- Apply strategies for multiplication and addition to solve multi-step problems.

Count and match sets of up to 10 objects.

- Develop counting strategies such as 1:1 correspondence and cardinality.
- Levels begin by just clicking on given objects, then progress to selecting equivalent number of squares in the ground.
- As the levels transition, students internalize strategies and connect numerals to the counting sequence.

Develop addition concepts by finding the total number of blocks.

- Add blocks at the start (left side) to the blocks in the middle by selecting the total number of blocks at the end (right side).
- Develop and apply strategies for solving visual addition problems.
- Levels start with sums ≤ 5 by adding up to 2 more blocks and transition to sums up to 10.

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