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Pipe Music With Decimals
Students discuss strategies for solving problems with decimals. They find the sum of problems through recognizing place value and by practicing adding numbers both vertically and horizontally. They read and solve real life word...
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Jumping the Number Line - Decimal Fractions (Hundredths)
Young scholars demonstrate how to add decimal fractions (tenths and hundredths) by using the jumping the number line strategy. They complete a variety of problems on a worksheet, attempting to solve them mentally, then recording the...
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The Part-Adder 2
Third graders use mental-math strategies to solve two-digit plus two-digit addition problems. They observe and discuss online demonstrations, solve word problems as a class, and independently solve problems and describe their solutions...
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Liquid Killer
Students explore number sense applications and discuss strategies for multiplication and division using mental math. For cross-curricular purposes, they explore causes and effects of inequality and social injustice. Students explore...
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Using Tens Frames for "Teen" Numbers
Sixth graders practice recognizing teen numbers for the part-whole strategy of bridging to ten. They approach the advanced counting stage to problem solve addition facts to ten utilizing dot patterns on a quinary frame with dot patterns...
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Addition and Subtraction
Students develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve problems.
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Getting Percentible
This unit explores the connections between percentages, decimals, and fractions. It focuses on strategies for solving problems involving percentages and applies these strategies to real life contexts.
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Finance and Responsible Lending
Students learn the characteristics of economic systems through problem solving, communication and representation. For this financial lending lesson, students use math to solve problems dealing with the economy today, to work with their...
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The Numbers Get Larger
Second graders examine how to use mental strategies for addition and subtraction. They look at part/whole strategies for multi-digit problems and define which one would be best used for a particular problem. They use tens frames to solve...
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Pigs, Goats and Sheep
Student are able to devise and use problem solving strategies to explore problems systematically and mathematically. They also form and solve various types of equations. This instructional activity requires some prior knowledge of...
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The Difference Bar 1
Students use mental strategies to work out the difference between 2 two-digit numbers where the answer is less than ten. They write and solve difference problems where one number is a two-digit number and the other is a single digit...
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5c And 9c Stamps
Fifth graders devise and use problem solving strategies to solve a post office math problem. They describe what it means for a sequence to carry on infinitely, identify patterns in linear combinations of numbers, and discuss the amounts...
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Making $ents
Second graders complete several activities that give them opportunities to practice and model strategies that help them count money. They read The Penny Pot storybook; they play a trading game with various coins. They participate in a...
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Lattice Method of Multiplication Variances
Students explore the lattice method of mulitplication variances through the game "Multiplication Wrestling." They view a model of how to play the game and play three rounds, recording their patterns and discussing the strategies used to...
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Exponent Power
Students explore multiplication and division problems using exponents. Students examine positive, negative and zero powers. They relate powers to geometric sequences. Students devise strategies and discover rules of exponents.
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Five Little Ducks
First graders practice the strategy of groupings within 5 in the counting to one stages one, two and three. They encounter the rhyme "Five Little Ducks" and role-play the rhyme using five students to represent the five little ducks. They...
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Pirate Swords
Young scholars read the math problem and retell it in their own words. They brainstorm for ways to solve and use questions to focus on the steps used. Students could use other problems involving pirates from the given website.
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How Many Ice Creams?
Students discuss their favorite ice cream flavors and read the math problem. They brainstorm the problem and brainstorm for ways to solve the problem. Students work in pairs and share solutions.
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Guzzinta
Students explore strategies to solve number problems. They study divisibility rules. Students examine and practice multiples, factors, and palindromes. In groups, students play a "number property" game.
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Three Circles II
Fourth graders practice a variety of strategies when investigating what happens when they put various numbers into circles of a configuration: they express a fraction as a decimal, write and solve problems involving decimal...
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Adding and subtracting fractions: the same sized slice
Students establish a strategy for adding simple fractions. They convert improper fractions to mixed numbers and interpret drawings and storyboards.
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Peer Pressure
Sixth graders make estimations, calculations, and to collaborate with other students to solve a problem. It also teaches valuable refusal skills to combat negative peer pressure and provides students an opportunity to role play. ...
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Space Science:Wherever You Go, There You Are
Students explore navigation principles by observing, measuring, and interpreting data to determine locations. Using a compass, compass rose, and a transit, they plot courses and discover the workings of the Global Positioning System...
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A Method of Front-End Arithmetic
Teach the class how to add using front-end addition. They are given a shopping list and use it to practice adding from the largest place value to the smallest. Computational math and shopping, what fun!