Curated OER
Mental Subtraction Methods
In this math worksheet, students learn a strategy to mentally subtract a single digit number from a two digit number such as 53-8. Students follow the detailed instructions to subtract in 18 problems.
Curated OER
Two-Digit Subtraction With Regrouping
Students practice their subtraction skills by solving 2 digit subtraction equations the teacher lists on the board. In this subtraction with regrouping lesson plan, students use the regrouping method to solve the 2-digit subtraction...
Curated OER
Subtraction: Decimals
In this decimal subtraction learning exercise, students solve 15 problems that require them to subtract decimal numbers with 1-5 digits.
Curated OER
Subtraction: Two Digit by Two Digit - No Regrouping
In this subtraction worksheet, 2nd graders find the differences in 30 two digit by two digit problems in which they do not have to regroup.
Curated OER
Addition and Subtraction Challenge
In this addition and subtraction practice worksheet, students use their problem solving skills to sove 19 problems that require them to fill in the blanks in 19 number sentences.
Curated OER
Plus, Minus and Interesting
Students identify the main ideas or topics of a lesson or unit using the plus, minus and interesting graphic organizer. In this main idea or topic lesson, students examine the use of the PMI graphic organizer. They describe the item they...
Curated OER
Subtraction Maze
In this math puzzle activity, students use their subtraction skills to solve a math puzzle and write an explanation of their problem solving strategy.
Curated OER
My Test Book: Addition and Subtraction 2
In this online interactive math skills instructional activity, students solve 10 multiple choice math problems regarding 2-digit addition and subtraction. Students may view the correct answers.
Curated OER
Make a Ten
Youngsters mentally perform calculations involving addition and subtraction. They solve various addition and subtraction word problems using mental math and counters, write their own number stories, and solve various examples...
Curated OER
Multiplication and Division within 100
Nothing out of the ordinary here; young mathematicians complete two multiplication and two division problems with whole-number products and quotients. Because the answer is described below, this would work best as an all-class warm up,...
Curated OER
Tangerine: K-W-H-L Strategy
As part of the introduction to Edward Bloor's Tangerine, class members generate a KWHL chart listing what they know, what they want find out, how they plan to find this information, and what they have learned or still want to learn.
Pedago Net
Math Games Using Dice and Cards to Promote Mental Strategies
Develop mental math skills using these fun partner games. Covering basic operations, each one offers differentiation options, extension ideas, and clear directions. Dice or cards is all you'll need to keep kids' attention as they...
K12 Reader
Sum Difference
If you need a way to address math and reading in one lesson, look no further than a passage about inverse operations, complete with reading comprehension questions. Kids focus on context clues to determine the meanings of unfamiliar words.
Scholastic
Guess and Check
How can you find the solution to an addition or subtraction problem by guessing? Practice the guess-and-check strategy with a fun math activity based on Ms. Squid's ink mess on the homework. Kids determine which number is covered by the...
K-5 Math Teaching Resources
Small Ten Frame Cards with Dots
Solidify your mathematicians' addition and subtraction skills using this ten frame printable. Here, you'll find small, ten frame cards with dots representing numbers 11 to 22, equipped to enhance math strategies and boost proficiency.
K-5 Math Teaching Resources
Small Five Frames with Dots
Working on adding and subtracting small numbers? Introduce five frames with a resource that visually supports your mathematicians' growing proficiency with counting strategies.
Illustrative Mathematics
Field Day Scarcity
Introduce young mathematicians to concepts of financial literacy with this open-ended word problem. With seven dollars to spend during field day and given a list of available items and their prices, children must determine how they want...
Mathematics Vision Project
Module 3: Numbers and Operations
Bring some concrete reasoning to the skills of multiplying and combining terms. Using various strategies, the six activities in the module provide practice for the skills of adding, subtracting, multiplying, and diving polynomials. The...
Learning for Justice
Marian Wright Edelman
Marian Wright Edelman's 2014 Commencement Speech at Lewis and Clark College serves to inspire young scholars to investigate a problem in their community, to determine why the problem is important, and then to develop a plan for one thing...
Curated OER
My Test Book: Addition and Subtraction
In this math skills worksheet, students solve 10 multiple choice math problems that require them to use the addition and subtraction skills. Students may view the correct answers.
Curated OER
Solving Simple Addition and Subtraction Equations Using Fact Families
Students explore addition fact families. In this addition and subtraction fact family math lesson plan, students click and drag objects on the Smart Board to create visual representations of fact families. Students use fact family...
Curated OER
Add and Subtract within 20
The sums and differences only reach 20 in this arithmetic worksheet. Scholars answer 10 simple number sentences, some involving two numbers and others with three. They choose the correct answer from a list on the right. There are the...
Savvas Learning
How Many Hundreds?
Mental math skills are really important to develop. Kids practice metal computation by first adding the hundreds then the tens and ones. There are nine addition and nine subtraction problems to solve. This attractive worksheet is...
Curated OER
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.