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Do it With Dominoes
Students explore modes for addition. In this K-2 mathematics lesson, students investigate the four models of addition (counting, sets, number line, and balanced equations) using dominoes. Students examine the relationship between...
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Classroom Christmas Tree
Students practice their addition by participating in a Christmas Tree activity. In this holiday math lesson, students complete math problems at their desk and match their answers with ornaments on a tree. Students are given an ornament...
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Commutative Property
First graders investigate the Commutative Property of Addition. It is introduced using models such as students, counters, balances and dominoes. They discover the order of the numbers in an addition sentence does not change the result...
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Subtraction Relay
Learners play a team subtraction game, subtracting two-digit numbers and using addition to check their subtraction. They solve subtraction problems at the board while the team solves the same problem in their seats.
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Positively Negative?
Middle schoolers practice the addition, subtraction, multiplication, and division of integers. They view a video clip on addition and subtraction of integers. Students observe a Web site that reviews multiplication and division of...
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Estimation and Computation
Second graders practice their estimation skills using blocks. In this math lesson, 2nd graders explain how estimating makes addition easier. They complete a worksheet after the lesson to reinforce new learning.
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"The Grapes of Math" by Gregg Tang
Pupils practice mental addition and use the associative and commutative properties of addition to solve problems.
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Multiplication Books
Young scholars create multiplication books. Inside, students create addition and multiplication sentences, and write the math equation to represent the sentence.
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Musical Math
Students play a game of mathematical musical chairs, moving from desk to desk solving addition and subtraction problems.
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Egg Count
Students practice writing addition and subtraction sentences. They use an activity sheet to count white and browm eggs and solve addition and subtraction problems. Aftterwards, they write addition and subtraction sentences.
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Ten Sly Piranhas: A Counting Story in Reverse
Learners solve related addition and subtraction problems. In this addition and subtraction lesson, students use the book Ten Sly Piranhas by William Wise as the source of word problems for learners to solve.
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Combining Foods
Students explore addition. In this math lesson, students discover how addition and subtraction are related. Students model related addition and subtraction facts.
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Number and Number Relations: Lesson 4
Fourth graders investigate the use of addition and subtraction facts in different situations. They examine the relationship between addition and multiplication and determine which operation is needed to solve various problematic situations.
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Number and Number Relations: Lesson 3
Fourth graders explore the concepts of addition and subtraction. They investigate the relationship between addition and subtraction and determine the operation needed to solve a problem.
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Multiplication: Building Models, Representations and Explanations
First graders explore multiplication concepts through skip counting, repeated addition and arrays. Using animal characteristics as a context, 1st graders solve problems using mathematical tools such as hundreds charts, number lines, ...
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Mental Math Counts
Students use mental math. They describe reasonable and unreasonable sums and differences. Students use mental math to find the sums and differences of addition and subtraction facts at random. They solve addition and subtraction facts...
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The Multiplier (small 2-digit by 1-digit numbers)
Second graders study digits in 2- or 3-digit whole numbers. They write and solve story problems which involve whole numbers, using addition, subtraction, multiplication, or division.
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Using Math with Sale Papers
Fifth graders estimate their results and then prove through calculations. In this math lesson, 5th graders solve problems using multiplication, division, addition, and subtraction. They also use mental math to solve their problems.
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Problem Solving With Fractions
Sixth graders solve and analyze fractions. In this algebra lesson, 6th graders solve fractions using addition, subtraction, multiplication and division. They work in groups and do peer-review.
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The Distributive Property
Students review how to solve problems using the Distributive Property of Mathematics. They solve problems using the paper and pencil method and then use the graphing calculator to discover the property over addition while making a visual...
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Flipping with Math
Students write simple addition number sentences. For this addition lesson, students write simple addition number sentences using tangible objects as their guide. Using a paint or drawing program on the computer, students create a visual...
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Counting Petals
Students solve addition and subtraction problems. In this problem solving lesson, students solve math problems written on flowers. Using petals as a counting aid, students demonstrate the answer by attaching the correct number of petals...
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Get a Line on Integers
Students explore number sense by completing math function problems in class. In this integers lesson, students define integers and practice plotting them on a number line. Students utilize math functions such as addition and...
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Integer Subtraction
Students examine why a negative number subtracted from another number changes the operation to addition.
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