Curated OER
What Must Be Added?
In this addition worksheet, students, while answering 15 addition questions, answer each question without doing any written work. Students solve each answer with mental math strategies.
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Mental Addition of 3 Numbers pg. 2
Mental math is a wonderful skill for students to hone. In this mental math addition worksheet, students apply addition fact family strategies to find the sum. Students solve 16 problems.
Curated OER
Multiplication & Division
Helpful for building a multiplication unit that focuses on different strategies. With explanations about repeated addition and subtraction as foundations for multiplication, scaling, summaries of progression, and basic multiplication and...
Illustrative Mathematics
Double Plus One
Practice doubling with a straightforward worksheet. Learners double plus one each number in the table, and then answer a series of hypothetical math equations.
Curated OER
Math Vocabulary
In this math vocabulary worksheet, 6th graders match twenty-three math vocabulary words from column A to the definitions in column B.
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Problem Solving? Cereal
Young scholars use problem-solving approaches to investigate mathematical content. They formulate problems from situations within and outside mathematics content. They warm up with a survey done by the teacher. Everyone uses practice...
EngageNY
Overcoming a Second Obstacle in Factoring—What If There Is a Remainder?
Looking for an alternative approach to long division? Show your classes how to use factoring in place of long division. Increase their fluency with factoring at the same time!
Curated OER
Mental Math Strategies
In this mental math worksheet, students study the detailed instructions and examples for adding or subtracting numbers using "breaking apart" or compensation. Students solve 17 mental math problems.
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Mental Math Strategies
In this mental math worksheet, students read an information box that explains how to use breaking apart or compensation to solve addition or subtraction problems. Students add or subtract using mental math in 8 examples.
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Dragon Math
Students engage in a lesson which provides a fun way to increase a student's ability to combine and separate numbers to form landmarks. They access a game online and play in pairs.
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Math Match Up!
Help learners solve problems using multiplication and repeated addition. Using counters, learners will be paired up to solve problems. They will go through a series of questions and show models with the counters for the solution. Then...
Primary Junction
Adding Tens
Build on your learners' confidence in quick addition as they discover strategies to add tens to two-digit numbers. After reviewing counting by 10's, they discuss tactics to add multiples of 10 to other numbers. They visualize how to...
Alabama Learning Exchange
Comparing Fuel Economy
Compute fuel economy and gas mileage. Why? So you can teach rates and ratios, of course! Middle schoolers calculate the rate of miles per gallon for various vehicles. They research each vehicle, its mileage per gallon, and cost per...
Curated OER
Estimating Quotients
Put down those calculators! Show scholars they can solve division problems mentally using rounding strategies. They divide four-digit dividends by one-digit divisors, competing 26 problems in all. The first eight have some scaffolding...
Illustrative Mathematics
Equivalent fractions approach to non-repeating decimals
Trying to get your class to think of decimals as fractions and vice versa can lead to interesting discussions. After all, we can usually understand quickly that 1/4 is .25 but why is 1/7 not so easy to convert? This activity looks...
Curated OER
Mystery Jars
This is a twist on the old "guess how many jellybeans" game. Using estimation and math skills, learners participate in a fun "mystery jars" activity, trying to make educated guesses at how many objects are in two jars. The basic activity...
Achieve
Yogurt Packaging
Food companies understand how to use math to their advantage. Learners explore the math related to the packaging and serving size of yogurt. They then use unit analysis and percent values to make decisions on the product development.
Curated OER
Multiplication Strategies and Writing Story Problems
Third graders model multiplication problems using Unifix cubes. They compute and solve problems involving addition and subtraction of 3- and 4- digit numbers and basic facts of multiplication and division. They practice mental math...
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Math: O.R.E.O. Woes
In this math instructional activity, 3rd graders apply basic operations to answer six questions about Oreo cookies. Next, they create four math problems using pictures and number sentences.
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Teddy Bear Subtraction
Do this exercise to prime early learners for a day of subtraction. They discuss problem-solving strategies, listen to a story problem involving teddy bears, then go to their assigned math station. This is a great way to prime the day.
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Life is Full of Problems
Pupils use the problem solving strategy of guess and check to investigate math word problems. They determine which problem solving strategy or strategies would work best in problem situations.
Curated OER
21 Game (Self Esteem)
Here's a simple math game that two people can play together. The first player says the number one or two. Then, the other player says the next one or two consecutive numbers. The goal of the game is to be the player who says "twenty-one"...
Curated OER
Split a Factor
Take the mystery out of multiplicaton with worksheets like this one. Learners find a mental math strategy for more difficult equations by splitting a factor, multiplying out the terms, and adding the products. An example explains this...
Curated OER
Comparing a Number and a Product
Mental math strategies are important for fifth graders to be able to determine the greater sum without actually solving the equations. As a summative assessment, this eight-problem activity can give insight into the understanding of the...