DreamBox Teacher Tools
Find online math tools for teachers for use with your interactive white board or projector to make math lessons clear for your whole class. Each lesson includes tutorials on how to use the manipulatives and ideas for incorporating the tools into classroom lessons.
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Table of Contents
Kindergarten
Number Sense and Equivalence
Numbers to Ten on the TenFrame
Students use multiple strategies to identify the number of counters on a TenFrame. This lesson is about mathematical structure and using it to explain their strategies.
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Numbers to Ten on the MathRack
Students use multiple strategies to identify the number of beads on a math rack. This lesson is about mathematical structure and using it to explain their strategies.
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Numbers to Twenty on the TenFrame
Students use multiple strategies to identify the number of counters on a TenFrame. This lesson is about mathematical structure and using it to explain their strategies.
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Numbers to Twenty on the MathRack
Students use multiple strategies to identify the number of beads on the math rack. This lesson is about the students looking for mathematical structure and using it to explain their strategies.
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Addition and Subtraction
Matching Number Pairs for 8
Students practice computation strategies to create the number eight in a variety of ways.
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Matching Number Pairs for 9
Students practice computation strategies to create the number nine in a variety of ways.
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Matching Number Pairs for 10
Students practice computation strategies to create the number ten in a variety of ways.
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First Grade
Number Sense and Equivalence
Numbers to Forty on the TenFrame
Students use multiple strategies to identify the number of counters on a TenFrame. This lesson is about mathematical structure and using it to explain their strategies.
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Numbers to One Hundred on the MathRack
Students use multiple strategies to determine the number of beads on the MathRack without counting each individual bead. This lesson requires that students look for mathematical structure and use it to subitize (strategy of seeing a group as a unit without counting) large quantities and communicate their thinking.
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Addition and Subtraction
Matching Number Pairs for Twenty
Students practice computation strategies and identify number patterns and relationships to make twenty in a variety of ways.
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Matching Number Pairs for Fifty
Students practice computation strategies and identify number patterns and relationships to make fifty in a variety of ways.
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Matching Number Pairs for One Hundred
Students practice computation strategies and identify number patterns and relationships to make one hundred in a variety of ways.
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Second Grade
Number Sense and Equivalence
Build Expression Equal to Twenty
Students are able to prove if two equations are equal by recognizing parts of the equations that are equal.
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Build Expressions Equal to One Hundred
Using expressions that have one to three addends, this tool engages students in understanding equivalence of numbers and expressions up to one hundred
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Addition and Subtraction
Matching Number Pairs for Two Hundred
Students practice computation strategies and identify number patterns and relationships to make two hundred in a variety of ways.
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Addition with Tens on the Number Line
Add and Subtract Landmark Numbers: Students add or subtract two numbers by first jumping by 10 or a multiple of 10 or to the nearest multiple of 10, then adding or subtracting additional tens and leftovers (53+21 becomes 53 +10+10+1 or 53+7+10+4 or 53+20+1).
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Third Grade
Number Sense and Equivalence
Equivalence up to Twenty
Students use snap blocks to determine if two expressions are equivalent.
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Equivalence up to One Hundred
Students use snap blocks to determine if two expressions are equivalent.
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Ordering Fractions on the Number Line 0-1
Based on a student’s understanding that fractions represent a part-to-whole relationship, students will place a fraction on the number line between 0 and 1.
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Addition and Subtraction
Addition on the Number Line Using Landmark Numbers
Students use landmark numbers as a mental math strategy when adding.
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Subtraction on the Number Line Using Constant Difference
Using an open number line, students will explore subtracting numbers using the constant difference strategy.
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Fourth Grade
Number Sense and Equivalence
Decomposing Fractions Using Time or Money
Students use snap blocks to determine if two expressions are equivalent.
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Ordering Fractions on the Number Line 0-2
Students will learn to order and compare fractions greater than one.
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Place Value with Decimals
Students compose numbers using multiple dials to develop an understanding of the relationship between the place values of whole numbers and decimal numbers.
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Equivalent Fractions on the Number Line
Students reason proportionally as they learn to use equivalent fractions while setting up a race course
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Multiplication & Division
Multiplication: Open Arrays
Students compose arrays and use partial products to develop an understanding of the distributive property to mentally multiply up to 3-digit by 3-digit numbers.
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Fifth Grade
Geometry
Division within 10,000 with Remainders
Students use snap blocks to determine if two expressions are equivalent.
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Fraction Multiplication 2
Students compose rectangles to solve fraction multiplication problems with understanding.
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Addition & Subtraction
Decimal Sums on the Number Line
The purpose of this lesson is for students demonstrate an understanding of friendly equations to solve one‐step addition and subtraction equations.
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Sixth Grade
Geometry
Supplementary and Vertical Angles
Students find unknown angles using supplementary, adjacent, and vertical angle relationships.
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Coordinate Grids: Lines of Reflection
Students compose rectangles to solve fraction multiplication problems with understanding.
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Number Sense and Proportional Reasoning
Decimal Sums on the Number Line
Students will correctly identify the location of a rational number in decimal form on a number line.
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Proportional Reasoning on a Double Number Line
Students will correctly identify a number and equivalent fractions based upon a given fraction and a whole.
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Ratios and Equivalent Measurements
Students use a ratio table to create and record equivalent measurements by multiplying whole, decimal and fraction numbers in the context of a recipe.
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Seventh Grade
Geometry
Supplementary and Vertical Angles
Students will create a coordinate grid with the axes and origin then correctly identifying ordered pairs.
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Number Sense and Proportional Reasoning
Fraction and Decimal Sums
Students develop fluency with addition & subtraction of fractions & decimals by choosing two numbers that have a target sum.
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Subtracting Integers
Students use a number line and only the subtraction operation to solve for a variable in start, change, or result unknown situations.
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Integer Operations
When given an equation involving multiplication, division, and two unknown values, students use integers to create an expression that is equal to a target value.
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Eighth Grade
Algebra
Factoring Quadratic Expressions with Arrays
Students will create a coordinate grid with the axes and origin then correctly identifying ordered pairs.
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Functions
Polynomial Functions and Scatter Plots
Students model linear, quadratic, and cubic relationships by analyzing a scatterplot and representing it with a function in either standard or factored form.
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