Grade 4 |
|
Chapter 1 |
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| Abacus |
Represent numbers using an abacus (place value) |
| Money | Make a dollar, calculate change, or make a specific amount using bills and coins |
Chapter 3 |
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| Base Blocks Subtraction | Subtract whole numbers through thousands using place-value models |
| Diffy | Choose between whole numbers, integers, fractions, decimals, or money amounts to find the difference between the pair of numbers on each side of a square |
| Chip Abacus |
Regroup ones as tens and tens as hundreds, and vice versa to prepare for regrouping in addition and subtraction |
| Circle 21 |
Place three positive numbers that sum to 21 inside a circle |
| Circle 99 |
Place three whole numbers that sum to 99 inside a circle |
Chapter 4 |
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| Rectangle Multiplication | Visualize the product of two factors using an array |
Chapter 5 |
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| Rectangle Division | Practice division using 10 x 10, 20 x 20, or 30 x 30 grids |
Chapter 6 |
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| Coin Problem | Find the counterfeit coin (light or heavy) in a set of identical coins |
| Converting Units | Solve unit conversion problems or create your own |
| Fill and Pour | Manipulate two containers of liquid to achieve a target volume in one container |
| Time-Match Clocks | Show the same time on both an analog clock and a digital clock |
| Time-What Time Will It Be? | Find the elapsed time |
Chapter 7 |
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| Bar Chart | Make a bar graph |
| Coin Tossing | Use a random generator to model tossing a coin repeatedly and recording the results |
| Pie Chart | Make circle graphs |
| Spinners | Spin a spinner and record the results |
| Stick or Switch | Explore the probabilty of winning a "Let's Make a Deal" game |
Chapter 8 |
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| Fraction Bars | Explore the relationhip between fractions |
| Fraction Pieces | Manipulate fractional pieces of a circular or square region |
| Fractions-Comparing | Recognize and generate equivalent forms of commonly used fractions to compare fractions |
| Fractions-Equivalent | Recognize and generate equivalent forms of commonly used fractions |
| Fractions-Naming | Identify the fraction that represents the model |
| Fractions-Parts of a Whole | Model commonly used fractions |
| Fractions-Rectangle Multiplication | Use the area model to multiply fractions |
| Fractions-Visualizing | Model commonly used fractions using various shapes |
Chapter 9 |
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| Diffy | Choose between whole numbers, integers, fractions, decimals, or money amounts to find the difference between the pair of numbers on each side of a square |
| Fractions-Adding | Add fractions with like and unlike denominators |
| Number Line Bars-Fractions | Use adjustable color bars to illustrate arithmetic operations with fractions on a number line |
Chapter 10 |
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| Attribute Blocks | Sort shapes using color, shape, and size |
| Attribute Trains |
Complete patterns of shapes, numbers, or colors |
| Color Patterns | Recognize, describe, and extend color patterns |
| Counting All Pairs | Plot points on a coordinate grid |
| Ladybug Leaf | Use action buttons to direct a ladybug to a leaf |
| Ladybug Mazes | Use action buttons to direct a ladybug through a maze |
| Pattern Blocks | Create various patterns of shape, including symmetrical patterns |
| Pinwheel Tiling | Manipulate right triangles to make Pinwheel Triangles |
| Platonic Solids | Manipulate solid figures to identify the number faces, vertices, and edges; explore Euler's Formula |
| Tangrams | Build different shapes from a tangram |
Chapter 11 |
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| Geoboard | Subdivide, combine, and transform shapes using a geoboard |
| Geoboard | Explore perimeter and area of regular and irregular shapes using a geoboard |
| Geoboard-Circular | Draw and compare two-dimensional shapes using a circular geoboard |
| Geoboard-Isometric | Construct three-dimensional shapes |
| How High? | Explore the conservation of volume by pouring a liquid from a container to a differently shaped container |
| Platonic Solids-Slicing | Visualize the intersection of a plane figure with a solid figure |
| Space Blocks | Match nets with the appropriate solid figure |
Chapter 12 |
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| Rectangle Division | Practice division using 10 x 10, 20 x 20, or 30 x 30 grids |
Chapter 13 |
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| Base Blocks | Represent decimals through thousandths using place-value models |
| Base Blocks Decimals |
Add decimals through thousandths using place-value models |
| Diffy | Choose between whole numbers, integers, fractions, decimals, or money amounts to find the difference between the pair of numbers on each side of a square |
| Circle 3 |
Place three decimals that sum to 3 inside a circle |
