﻿ NLVM Pre-K - 2 Manipulatives     All Topics (Grades Pre-K - 2)

Virtual manipulatives for grades Pre-K - 2.

Number & Operations (Grades Pre-K - 2) Bar Chart – Create a bar chart showing quantities or percentages by labeling columns and clicking on values. Base Blocks – Illustrate addition and subtraction in a variety of bases. Base Blocks Addition – Use base ten blocks to model grouping in addition. Base Blocks Decimals – Add and subtract decimal values using base blocks. Base Blocks Subtraction – Use base ten blocks to model separation of groups in subtraction. Chip Abacus – Learn about carrying and digits using chips. Circle 99 – A puzzle involving adding positive and negative integers to sum to ninety nine. Color Chips - Addition – Use color chips to illustrate addition of integers. Color Patterns – Arrange colors to complete a pattern. Diffy – Solve an interesting puzzle involving the differences of given numbers. Fraction Bars – Learn about fractions using fraction bars. Fractions - Naming – Write the fraction corresponding to the highlighted portion of a shape. Fractions - Parts of a Whole – Relates parts of a whole unit to written description and fraction. Fractions - Visualizing – Illustrate a fraction by dividing a shape and highlighting the appropriate parts. Hundreds Chart – Practice counting and visualize number patterns using a hundreds chart. Mastermind – Use inference and logic to play a game and guess a hidden pattern of pegs. Money – Learn about money by counting and making change. Number Line Arithmetic – Illustrates arithmetic operations using a number line. Number Line Bars – Use bars to show addition, subtraction, multiplication, and division on a number line. Number Line Bars - Fractions – Divide fractions using number line bars. Number Line Bounce – Number line addition and subtraction game. Number Patterns – Discover the pattern and complete a sequence of numbers. Percentages – Discover relationships between fractions, percents, and decimals. Pie Chart – Explore percentages and fractions using pie charts. Place Value Number Line – Explore place value by placing dots on number lines. Rectangle Division – Visualize and practice dividing numbers by using an area representation. Rectangle Multiplication – Visualize the multiplication of two numbers as an area. Rectangle Multiplication of Integers – Visualize and practice multiplying integers using an area representation. Sieve of Eratosthenes – Relate number patterns with visual patterns. Spinners – Work with spinners to learn about numbers and probabilities. Algebra Tiles – Visualize multiplying and factoring algebraic expressions using tiles. Color Patterns – Arrange colors to complete a pattern. Fifteen Puzzle – Solve this virtual version of the classical fifteen puzzle by arranging its tiles. Pattern Blocks – Use six common geometric shapes to build patterns and solve problems. Pentominoes – Use the 12 pentomino combinations to solve problems. Polyominoes – Build and compare characteristics of biominoes, triominoes, quadrominoes, etc. Triominoes – Manipulate the puzzle pieces and find multiple solutions. Turtle Rectangles – Change variables to observe differences in spiral designs. Attribute Blocks – Learn color and shape concepts by sorting blocks. Attribute Trains – Learn about shape and color patterns of by completing trains of blocks. Congruent Triangles – Build similar triangles by combining sides and angles. Geoboard – Use geoboards to illustrate area, perimeter, and rational number concepts. Geoboard - Isometric – Use geoboard to illustrate three-dimensional shapes. Ladybug Leaf – Program a ladybug to hide behind a leaf. Ladybug Mazes – Program a ladybug to move through a maze. Pattern Blocks – Use six common geometric shapes to build patterns and solve problems. Pentominoes – Use the 12 pentomino combinations to solve problems. Platonic Solids – Identify characteristics of the Platonic Solids. Space Blocks – Create and discover patterns using three dimensional blocks. Tangrams – Use all seven Chinese puzzle pieces to make shapes and solve problems. Tessellations – Using regular and semi-regular tessellations to tile the plane. Transformations - Reflection – Dynamically interact with and see the result of a reflection transformation. Transformations - Rotation – Dynamically interact with and see the result of a rotation transformation. Transformations - Translation – Dynamically interact with and see the result of a translation transformation. Triominoes – Manipulate the puzzle pieces and find multiple solutions. Turtle Geometry – Explore numbers, shapes, and logic by programming a turtle to move. Attribute Blocks – Learn color and shape concepts by sorting blocks. Attribute Trains – Learn about shape and color patterns of by completing trains of blocks. Geoboard – Use geoboards to illustrate area, perimeter, and rational number concepts. Ladybug Leaf – Program a ladybug to hide behind a leaf. Ladybug Mazes – Program a ladybug to move through a maze. Money – Learn about money by counting and making change. Pattern Blocks – Use six common geometric shapes to build patterns and solve problems. Time - Analog and Digital Clocks – Interactively set the time on a digital and analog clocks. Time - Match Clocks – Answer questions asking you to show a given time on digital and analog clocks. Time - What Time Will It Be? – Answer questions asking you to indicate what time it will be before or after a given time period. Bar Chart – Create a bar chart showing quantities or percentages by labeling columns and clicking on values. Pie Chart – Explore percentages and fractions using pie charts. Spinners – Work with spinners to learn about numbers and probabilities.