EngageNY
Writing and Solving Linear Equations
Incorporate geometry into the solving linear equations lesson. Pupils use their knowledge of geometry to write linear equations which reinforces geometry measurement concepts while at the same time providing a familiar context for...
Curated OER
Find It!
Students consturct cube trains and use them to measure the length of selected objects in their classroom. They first "guess" with their eyes and then hold up a cube to check their guess.
Curated OER
Investigation - What Does 1,000 Look Like?
Second graders determine what 1,000 items look like. In this math investigation lesson, 2nd graders collect 1,000 items and determine the best way to count them by tens and hundreds. They can use stickers on notecards to count to 1,000....
Curated OER
Is it a Polygon?
Second graders investigate polygons. In this geometry instructional activity, 2nd graders practice identifying characteristics of polygons on the overhead using a T-45 calculator display. Students play the game "Guess My Rule" to...
Curated OER
Guess the Age
Learners describe graphically, algebraically and verbally real-world phenomena as functions; identify the independent and the dependent variable. They translate among graphic, algebraic, and verbal representations of relations and graph...
Pennsylvania Department of Education
Guess the Container
Students become familiar with appropriate containers for various shapes. In this container lesson, students find containers that best fit their object.
Mathematics Vision Project
Quadratic Equations
Through a variety of physical and theoretical situations, learners are led through the development of some of the deepest concepts in high school mathematics. Complex numbers, the fundamental theorem of algebra and rational exponents...
Curated OER
The Tiled Courtyard
Fifth graders use the guess and check technique to solve a problem involving transformations. They work with a grid and criteria provided by the teacher to solve a sequence with black and white rows.
Curated OER
Problem-Solving Strategies in Word Problems
Students examine how to determine which strategy to use to solve word problems. In this word problem strategy instructional activity, students listen to a lecture on the process of using different strategies to solve math problems. They...
Curated OER
Robots
Fourth graders devise and use problem solving strategies to explore situations mathematically (guess and check, make a drawing, use equipment). The use of logical reasoning is a focus of this instructional activity.
Curated OER
Block It Game
Students use problem solving strategies such as guess and check and visualization to play the game. They use mental mathematics to decide on the placement of pattern blocks and look for patterns.
Curated OER
Unit 1, Worksheet 3, Note Taking in Mathematics
In this taking notes worksheet, students write notes on specified topics such as combining like terms, identifying number patterns, basic mathematical operations of integers, and the guess and check strategy. This two-page worksheet...
Raytheon
Strategies for Solving Math Word Problems
In this strategies for solving math word problems worksheet, students read two pages of examples and explanations, then solve 42 addition, subtraction, multiplication and division problems, answer sheet included.
Curated OER
Problem Solving
Fifth graders read and write equations. In this equation writing instructional activity, 5th graders use real life scenarios to write equations. Students use manipulatives, draw pictures and make tables to understand how to write...
Curated OER
Not So Snappy 2
In this math worksheet, students learn to use problem solving strategies such as making a list, guess and check, working backwards and drawing a diagram. Students read and solve 6 sentences.
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Worksheet 8
In this math worksheet, students consider the harmonic series. They assume that the sums move towards infinity and that they are divergent.
Curated OER
Fraction High-Low Card Game
In this fraction high-low card game, 5th graders make 45 fraction index cards. They play a game in groups of three where they add the fractions on two cards and guess high or low for the next person's sum. Then they answer...
Virginia Department of Education
Solving Linear Equations
Practice solving linear equations by graphing. Scholars learn to solve multi-step linear equations in one variable by graphing both sides of the equation separately. They use graphing calculators to find the intersection of the graphs.
Curated OER
Algebraic Relationships
Here are 17 various forms of problems that range from matching equivalent expressions to word problems. Included are problems for substutiing values into expressions and using the order of operations, simplifying algebraic expressions,...
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More Pizzas and Things
Students are introduced to the problem by playing a guessing game of "I am a number, which is half of 6 and 6, what am I?" They explain their answers and see if anyone else had an alternate solution checking for reasonableness.
Curated OER
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...
Curated OER
Diophantus II
Students use an ancient math game to establish the context for solving problems by investigating them in a systematic and mathematical way. They also need to have the ability to solve various types of equations.
Curated OER
Mathematics Word Problems
In this math worksheet, students solve 16 word problems. For example, "Andy has .9 of a dollar. How many dimes is that? How much money is that?"
Curated OER
The Circle's Measure
Students explore circumference and diameter. For this math lesson, students apply their knowledge of circumference and diameter to solve mathematical riddles. Students apply this knowledge to find circumference and diameter of various...