Curated OER
Rounding to the Nearest Whole Number
For this rounding numbers worksheet, students complete 10 math sentences as they round decimal numbers to the nearest whole number. In addition, students round 8 decimal numbers to the nearest whole number.
Curated OER
Add Whole Numbers
In this addition worksheet, students add three and four digit numbers together. Students complete 96 addition of whole numbers problems.
Curated OER
Math: Navigating the World Around Me
Young mathematicians research and discuss real world math word problems and ways in which they apply math concepts in their everyday lives. They create a storyboard of a math word problem from which they create a slide for a multi-media...
Curated OER
Addition Drills, part 4
Show kids that addition has real-life applications as they add up measurements and money. There are some examples here demonstrating regrouping and including units in an answer. They complete 20 measurement addition problems, each with...
Curated OER
Fourth of July Addition and Subtraction
What is Thomas Jefferson signing? Focus on American history with this cross-curricular math puzzle. Learners utilize addition and subtraction skills to solve the mystery of the Fourth of July. All numbers are 3-digit, and there are no...
CK-12 Foundation
Additive and Multiplicative Rules for Probability: Red Dress? Blue Dress? Both!
The sum of the parts is greater than the whole. An interactive uses a Venn-like model to show the percentage of females from a survey that have a blue dress, a red dress, or both. The pupils determine the numbers in each category...
Curated OER
Adding Mixed Numbers
In this mixed numbers instructional activity, 6th graders solve 20 different problems that include adding mixed numbers. First, they determine the least common denominator in each problem. Then, students determine the equivalent...
Curated OER
Dividing with Fractions
Use paper strips or models to relate division problems to division of fraction problems. Since the materials can be broken up, it helps them to show how they can complete repeated subtraction with fractions and not just whole numbers.
CK-12 Foundation
Addition and Multiplication Properties with Real Numbers: The Secret of Subtraction
An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions.
EngageNY
Comparing Methods—Long Division, Again?
Remember long division from fifth grade? Use the same algorithm to divide polynomials. Learners develop a strategy for dividing polynomials using what they remember from dividing whole numbers.
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
National Security Agency
Introducing Integers and Their Operations
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class to...
Curated OER
Playing the Cards of Place Value
Third graders explore place value to the ten-thousands place. In this amazing, 21-page place value lesson, learners represent numbers in standard and expanded form, and use technology to represent numbers to 9,999.
Curated OER
Area Model of Multiplication Using Base 10 Manipulatives
Explore two-digit multiplication with your class as they work in groups to build models of two-digit multiplication using base 10 manipulatives. They construct rectangles replacing standard numbers with equivalent place values using the...
K-5 Math Teaching Resources
Base Ten Cards (tens and ones)
Strengthen your class's understanding of place value with this series of base-ten flash cards. Including illustrations representing a variety of numbers from 13 to 94, this resource can be used in many different ways to build the numbers...
Curated OER
Add Mixed Numbers With Like Denominators (B)
In this adding mixed numbers worksheet, learners add whole numbers and fractions with common denominators. Students solve sixteen problems.
Curated OER
Add Mixed Numbers With Like Denominators (G)
In this adding mixed numbers worksheet, students find the sums of whole numbers and fractions with common denominators and reduce and rename the answers. Students solve 7 problems.
Curated OER
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...
Curated OER
Count on Whole Hundreds: Addition
In this addition/counting worksheet, students add a "whole hundred" to another 3-digit number, then add 800 to a set of numbers. Answers are included on page 2.
Curated OER
The Divider (whole number remainders)
Third graders use the lesson to support division of whole numbers where there is either no remainder or whole number remainders. They are able to
slit division problems into parts using known multiplication and division facts.
Curated OER
Add Whole Numbers
In this addition practice worksheet, students practice their math skills as they solve 21 addition problems that require them to add 3 digit numbers, 4 digit numbers, and money. Students also answer 2 test prep questions.
Curated OER
MathKeys Software "Unlocking Whole Numbers, Vol. 11(Place Value for Four Digit Numbers)"
Third graders explore the place values of four digit numbers by writing four digit numbers and examining the effects of rearranging the numbers' digits. They practice making their four digit number with base-ten blocks then rearrange the...
Curated OER
Smart Archer
In this addition worksheet, 7th graders use numbers on each target and the given number of "arrows" to reach the target score. 8 targets are included on the page.