Curated OER
Back-To-School Shopping
Fifth graders estimate the prices of items to be bought for back to school. They use catalogs and/or advertisements to research the cost of each of the items. They use problem solving strategies and a spreadsheet template to determine...
Curated OER
A Fictional History of Place Value
Your class can explore standard and expanded notation, as well as computation with regrouping. They listen to a make-believe story about cavemen and the origin of numerals and place value. Then apply what they learned about renaming and...
EngageNY
Putting It All Together
Shuffle 'em up and deal! Learners practice operations with polynomials using cards they pass around the room. The activity works with pairs or individuals, so it offers great flexibility. This is the fifth installment in a series of 42...
Curated OER
Two Word Problems
The class solves two basic word problems that requires addition or subtraction. They are encouraged to draw a picture that illustrates each problem.
PHET
Make a Ten
Rate the resource as a perfect 10. Pupils use an interactive to help add and subtract numbers. They first explore how to express whole numbers using hundreds, tens, and ones, then explore how to add whole numbers by combining to make...
EngageNY
When Can We Reverse a Transformation? 3
When working with matrix multiplication, it all comes back around. The 31st portion of the unit is the third lesson on inverse matrices. The resource reviews the concepts of inverses and how to find them from the previous two lessons....
Curriculum Corner
Problem Solving Cards
Twelve cards and a activity make up an activity designed to reinforce problem solving skills. Scholars read and solve a variety of word problems using a graphic organizer to show their work.
PBS
Estimating Profit from a Job
Profit always seems to get everyone's attention. The same is true during a lesson on estimation. Learners use given information to estimate the cost of supplies for a painting job. They then develop a strategy for estimating the...
Curated OER
Word Clue and All About Me Problem Solving
Fifth graders practice solving word problems using highlighted strategies. In this word problem instructional activity, 5th graders brainstorm and use words as clues that indicate the math operations that will be used to solve...
Curated OER
Problem-Solving Decisions: Choose the Operation
In this problem solving worksheet, students read a story problem about the temperature at different altitudes. Students fill out an organization chart to understand the problem, plan a strategy, and then solve it.
Curated OER
Subtraction and Trading
In this subtraction and trading worksheet, young scholars complete twelve subtraction problems by using the trading math strategy.
Curated OER
Addition/Subtraction Strategies
Third graders recall all their addition and subtraction facts to 20. They use the relevant number strategy with whole numbers. Students are taught place value in relation to decimals, and identify 'which decimal is larger.' They...
Curated OER
Book Title: You Can’t Buy a Dinosaur with a Dime
Students explore the concepts of multiple digit addition and subtraction. In this addition and subtraction lesson, students read the book You Can’t Buy a Dinosaur with a Dime and then discuss methods for solving a particular math...
Curated OER
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...
Curated OER
Answer Match
In this addition and subtraction practice worksheet, students solve 26 problems that require them to add and subtract using 3-digit numbers. Students match the problems that have the same sums and differences.
Curated OER
Online video games plus curriculum-based math equals an engaging educational tool.
Seventh graders use online math games to practice understanding the skill of estimation and order of operations. In this lesson, 7th graders use the internet to play online games to strengthen their understanding of these skills.
Curated OER
The Difference of Two Squares
Students practice the use of number properties through exploring the difference of two squares, creating an array model for multiplication, and work with decimal numbers. In groups, students explore patterns in an array and determine...
Curated OER
Magic Math: sums of 2
In this addition worksheet, students add one digit numbers to the number 2 and check it with the subtraction fact. Students complete 10 problems.
Curated OER
Magic Math
In this addition and subtraction activity, students solve the one digit addition and subtraction problems and create its counterpart number sentence. Students complete 10 problems.
Curated OER
What is Less? 1-10 Subtraction Worksheet
In this subtraction worksheet, students count the items that are pictured and count backward by the amount indicated in each problem. They complete 7 problems by answering the question, "What is __ less?"
Curated OER
Second Grade Math Problem Solving
In this second grade math problem solving worksheet, 2nd graders draw pictures to solve three addition and subtraction problems.
Curated OER
Magic Math Morning Work
In this fact families learning exercise, students solve 10 problems in which single digits are added with sums to ten. Students then check each problem using subtraction.
Helping with Math
Subtraction : 3-digit and 2-digit
Does your class need a little extra practice subtracting two-digit subtrahends from three-digit minuends? Here are 30 practice problems just waiting for answers; some problems require regrouping and some do not.
Curated OER
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...