Curated OER
Math Shortcuts
Looking for a different way to introduce long division? Need a shortcut for checking multiplication answers? Then this is for you! The multiplication method uses a quick trick to check for accuracy. The division method allows learners to...
Curated OER
Make Ten Guided Lesson
Use these missing-addend problems to help your beginning mathematicians practice addition facts. They read sentences and solve, making 10 from different single-digit numbers. Each of these four problems is formatted differently, so the...
Curated OER
The Math Lesson 25
In this math skills worksheet, students enhance their addition and subtraction skills by solving the 20 pages of double and triple digit equations.
Curated OER
Find Three Partners
For this addition worksheet, students solve 5 problems in which a picture is analyzed and a number sentence written to go with it. Students solve the addition problems. There will be three single digit numbers added in each problem.
Curated OER
Addition Strategies: Compensation
In this math instructional activity, students learn the addition strategy of compensation: adding an easy number like 10, 20 or 30 and then subtracting a very small number like 1 or 2. Students solve 12 problems on the page.
Curated OER
Turkey Block Addition (A)
In this turkey theme addition worksheet, students solve the thirty addition equations that are not blocked by an image of a turkey.
Curated OER
Turkey Block Addition (G)
In this turkey themed addition learning exercise, students practice solving thirty addition equations that are not blocked by an image of a turkey.
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Turkey Block Addition (D)
In this turkey theme addition activity, students solve the thirty addition equations that are not blocked by an image of a turkey.
Curated OER
Yummy Gummy Subtraction
Here is a quick 15 minute lesson intended to introduce subtraction. Learners count and subtract gummy bears to complete 5 problems. The lessons suggest that the gummy bears can be saved and used the next day, but gummy bears get gross...
Curated OER
Math Games for Skills and Concepts
A 27-page packet full of math games and activities builds on algebra, measurement, geometry, fractional, and graphing skills. Young mathematicians participate in math games collaboratively, promoting teamwork and skills practice.
Concord Consortium
Calculator Numbers
Know thy calculator. Young mathematicians use their calculators to answer a set of questions. They consider how the number of digits the calculator displays affects the answers to calculations. They then find examples of computations...
Curated Video
Reporting - Flagging
While it may feel like you can post just about anything on YouTube, that's not the case. Teach your class about flagging inappropriate content. Learners watch a demonstration, practice flagging, and answer questions about online content.
NASA
Space Station Research Explorer
Take a trip into outer space from the safety of your classroom. A great addition to the digital library of any science teacher, this reference offers a behind-the-scenes look at the research going at the International Space Station.
Curated OER
Math Lesson Plan : Finger Counting
Create a class of mathematics master. They practice addition to ten until they have mastered the skill. They use their hands to add numbers and eventually find the missing addend to make a sum of 10. They also subtract a single digit...
Pennsylvania Department of Education
What Balances?
Young scholars explore another meaning of subtraction as it pertains to the inverse of addition. In this what balances lesson, students identify the concept of subtraction as a balance. Young scholars use subtraction facts to generate...
Curated OER
Subtraction Shopping
Learners subtract two digit numbers. They check each other's answers for accuracy.
Curated OER
Equal Additions
Students explore the relationships between numbers through the use of "equal addition" and "equal subtraction." Through the use of number sense, they are able to computer addition and subtraction problems mentally. Individually,...
Curated OER
Unknown Numbers in Sums and Differences
Your new mathematicians may think word problems sound scary, but this introductory set of scenarios will leave them feeling accomplished in their addition and subtraction skills! Learners read seven word problems, each requiring them to...
Houghton Mifflin Harcourt
Unit 4 Math Vocabulary Cards (Grade 3)
Bring a set of 19 math vocabulary cards to your third grade math class. Each sheet contains two cards. The top half has the vocabulary word printed in bold text, while the bottom half has the definition of the word. Card topics include...
Curated OER
Duck Dominoes
In this fact family worksheet, 1st graders use the domino pictured to write problems. Students create 2 addition and 2 subtraction problems for each of the 4 dominoes represented. Students then solve for 8 single digit problems at the...
Curated OER
Spiral Sums and Products
In this math puzzle worksheet, students use their problem solving skills to solve a math puzzle that requires them to add and multiply using single-digit numbers.
EdHelper
Subtraction
In this subtraction worksheet, students find the missing numbers to complete the double digit subtraction facts. Students solve 14 problems.
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.
Curated OER
Mental Math: Adding 10s
To develop mental math skills for adding 10s, learners read an example, solve one carefully scaffolded problem, and then complete 6 more independently. Pictures of 10-rods make the connection between sets of 10 and the corresponding...