ExploreLearning Gizmos: Math & Science Virtual Labs and Simulations

4.1: Number Sense and Computation

4.1.1: Count, read, write, compare and plot whole numbers using words, models, number lines and expanded form.

Cannonball Clowns (Number Line Estimation)
Fraction Garden (Comparing Fractions)
Modeling Fractions (Area Models)

4.1.2: Find equivalent fractions and then use them to compare and order whole numbers and fractions using the symbols for less than (<), equals (=) and greater than (>).

Adding Fractions (Fraction Tiles)
Equivalent Fractions (Fraction Tiles)
Fraction Artist 1 (Area Models of Fractions)
Fraction Artist 2 (Area Models of Fractions)
Fraction Garden (Comparing Fractions)
Fractions Greater than One (Fraction Tiles)
Modeling Fractions (Area Models)

4.1.3: Solve problems involving decimals to hundredths.

4.1.3.1: Interpret and model decimals as parts of a whole, parts of a group, and points and distances on a number line.

Fraction Garden (Comparing Fractions)
Fraction, Decimal, Percent (Area and Grid Models)
Modeling Decimals (Area and Grid Models)
Modeling Decimals (Base-10 Blocks)
Modeling Fractions (Area Models)
Toy Factory (Set Models of Fractions)

4.1.3.2: Use benchmarks (well-known numbers used in meaningful points for comparison) to compare decimals between 0 and 1.0.

Adding Decimals (Base-10 Blocks)
Fraction, Decimal, Percent (Area and Grid Models)
Modeling Decimals (Area and Grid Models)
Modeling Decimals (Base-10 Blocks)
Treasure Hunter (Decimals on the Number Line)

4.1.4: Use words, models, standard form and expanded form to represent place value of decimal numbers to hundredths.

Cannonball Clowns (Number Line Estimation)

4.1.5: Demonstrate fluency with multiplication facts for numbers up to at least 10 and the related division facts. Identify factors of whole numbers and multiplies of whole numbers to 10.

Factor Trees (Factoring Numbers)

4.1.7: Model addition and subtraction of simple fractions.

4.1.8: Construct and analyze line plots. Given a set of data or a graph, describe the distribution of the data using median, range or mode.

Mascot Election (Pictographs and Bar Graphs)
Movie Reviewer (Mean and Median)
Reaction Time 1 (Graphs and Statistics)
Reaction Time 2 (Graphs and Statistics)

4.1.9: List all the possible outcomes of a given situation or event. Represent the probability of a given outcome using a picture or other graphic.

Spin the Big Wheel! (Probability)

4.2: Algebra and Functions

4.2.2: Create, extend and give a rule for number patterns using multiplication, division, non-numeric growing and non-numeric repeating patterns.

Pattern Flip (Patterns)

4.2.3: Show that the order in which two numbers are multiplied (commutative property) and how numbers are grouped in multiplication (associative property) will not change the product. Use these properties together to show that numbers can be multiplied in any order.

Chocomatic (Multiplication, Arrays, and Area)
Critter Count (Modeling Multiplication)

4.2.4: Use the distributive property in expressions involving multiplication.

Chocomatic (Multiplication, Arrays, and Area)