Curated OER
Math: O.R.E.O. Woes
In this math worksheet, 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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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.
Curated OER
Think of a Number
In this math worksheet, students engage in a mental math activity. Student think a number and follow several computations with that number and always come up with the answer 9. Students discuss why this happens.
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Mental Arithmetic Race
In this mental arithmetic race, students compute as many arithmetic problems as possible in a given length of time. Problems include whole and decimal numbers. Students mentally divide multiply, and add whole numbers and decimals. This...
Curated OER
Roll Seven!
Roll Seven is a fun and engaging dice game that encourages the use of mental math.
Curated OER
Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping
Students explore adding 2-digit numbers. In this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
Curated OER
Multi-Digit Multiplication
Fourth graders practice mastering the ability to multiply multi-digit numbers utilizing rectangular arrays and a variety of mental math strategies. They model and illustrate meanings of multiplication and division of whole numbers and...
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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...
Partnership for Educating Colorado Students
Mayan Mathematics and Architecture
Take young scholars on a trip through history with this unit on the mathematics and architecture of the Mayan civilization. Starting with a introduction to their base twenty number system and the symbols they used, this eight-lesson unit...
Achieve
Fences
Pupils design a fence for a backyard pool. Scholars develop a fence design based on given constraints, determine the amount of material they need, and calculate the cost of the project.
Curated OER
Word Problem Exchange
Learners discuss elements of word problems: key words, data, computation clues, and unnecessary information and use the four steps of problem solving to find a solution and check for reasonableness.
Curated OER
Counting Money and Making Change
Students count collections of coins and one-dollar bills. They solve problems and learn to use the dollar sign ($) with the decimal point to represent money amounts. This lesson is important as a foundation for future math concepts in...
Curated OER
The Nuts and Bolts of a Mathematical Expression
Fourth graders complete a worksheet that asks them to order operations within a mathematical expression. students evaluate the expressions in the correct order using mental math and paper. The results are recorded on the worksheet.
Curated OER
WINDMILL POWER
Young scholars study operations with real numbers using mental computation or paper-and-pencil calculations. They judge the reasonableness of numerical computations and their results. They set up and solve proportions for direct and...
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Rice and More Rice
Fifth graders explore problem solving strategies for mathematical estimation. In this math problem solving lesson, 5th graders predict how many grains of rice are in a jar, practice establishing and looking for patterns in...
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Celebrating the Universal Language of Numbers
Math games and activities spark the imagination while building crucial skills.
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The Number Tool Box
In this solving a math terms crossword puzzle worksheet, students read the clues across and down and write the math terms in the blanks. Students write 19 answers.
Curated OER
Number Line Math
Second graders use a number line to practice subtraction. In this subtraction lesson, 2nd graders use a number line to count backwards. Students participate in mad math activities and solve problems.
Delaware Math Cadre Elementary Committee
Operations and Algebraic Thinking
How to use the relationship between multiplication and division to solve math word problems is the focus of the activity presented here. In it, fourth graders work in groups to solve problems posed by the teacher. Then, each group is...
Curated OER
Math Jeopardy: Basic Skills
Students play a PowerPoint activity to be used as a review of basic skills for order of operations, and the operations of addition, subtraction, multiplication, and division for whole numbers, some fractional numbers and integers....
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Top of the Heap
In this computation and mental math worksheet, students solve and complete 3 different types of problems. First, they color the animal on top yellow. Then, students color the animal in the middle brown. Finally, they color the animal on...
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Dividing by 4's
Third graders explore math functions by completing problem solving activities. In this division lesson, 3rd graders utilize the division strategies acquired earlier to divide multiple digit numbers by 4's. Students complete problems on...
New Zealand Ministry of Education
Fraction Bar
Computing class members encounter use a digital learning tool called The Fraction Bar to multiply fractions with whole numbers. They do so by finding a given fraction of a number either on a number line or by calculating the answer with...
Curated OER
Topsy-Turvy Math With Rational Numbers
Fourth graders complete a worksheet. As a whole class, 4th graders hear a lecture and complete a worksheet on factors, multiplicative inverses and reciprocals, finding the quotient of two fractions and the division of fractions to...