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Curated OER
Getting to Base 10
Students compare and contrast number systems from around the world. They study the decimal system to design and create their own base 10 sticks. Afterward, they use base 10 sticks to solve various addition and subtraction problems.
Curated OER
How Many Cherries?
Students practice working together as a class to solve simple word problems involving cherries. They make sketches to utilize as a tool for solving problems. With a partner, they select an addition or subtraction problem to illustrate...
Scholastic
Sums & Differences
Word problem solving and inter-galaxy football combine to offer a great learning exercise for practicing adding and subtracting whole numbers!
Northern Arizona University
Adding and Subtracting Fractions
Pattern blocks and shapes demonstrate how to add and subtract fractions. By aligning blocks with different shapes, learners figure out how to create a whole, and then how to add and delete parts from that whole.
Curated OER
Fraction Fun
Learners solve 22 problems in which simple fractions with like denominators are added, subtracted and compared. Good practice for your third and fourth graders!
Perkins School for the Blind
More or Less
The concept of more or less is one that needs to be mastered prior to learning other concepts such as quantitative analysis, addition, or subtraction. This activity provides several ways to teach learners with low or no vision to...
Curated OER
Subtraction: one through three digit numbers
In this subtraction worksheet, learners subtract one through three digit numbers from each other. Students complete 40 subtraction problems.
Curated OER
Chart Trivia
Students practice addition and subtraction problems and answer questions using greater than and less than. They chart information to create a graph on the computer.
Curated OER
Calculate the Answer
Students solve basic multiplication or addition facts using a calculator and product cards. They draw a card, read the sum or product, and press single digits on the calculator to display the number on the card.
Curated OER
Visual Subtraction
In this math instructional activity, students solve the problems that use the operation of subtraction for those who need visuals. The sheet is a teacher's guide.
Curated OER
Subtraction Using Blocks
In this subtraction worksheet, students look at sets of blocks and their accompanying numerical place values and then solve subtraction problems. Worksheet is labeled as a sample from a subscription site.
EdHelper
Subtraction
For this subtraction learning exercise, students subtract the money amounts in double digits. Students subtract to solve 14 money problems.
Curated OER
Using the Correct Vocabulary to Solve Problems
Third graders examine the vocabulary and strategies to be used with addition, subtraction, and multiplication word and story problems. They observe the teacher solve a variety of problems, then write and illustrate their own original...
Curated OER
Addends with Spiffy
Students solve single variable equations. In this missing addend lesson, students solve problems with missing addends. Students create a function box to help study numerical reasoning.
T. Smith Publishing
Halloween Add or Subtract
A jack-o-lantern containing a ghost top this page, making it a seasonal addition to your math lessons. On it, your little goblins will practice addition and subtraction of three-digit numbers. A terrific tool when working on Common Core...
Curated OER
Brain Booster
In this daily math problem worksheet, students complete a hundreds board activity that uses a smiley face format on the board. Students solve the addition and subtraction problems to complete the board.
Curated OER
Mental Arithmetic
In this mental math worksheet, students answer 2 sets of mental math questions about writing whole numbers, place value, counting back and on in tens and addition and subtraction.
Curated OER
Problem Solving 1
In this math worksheet, students solve nine word problems using addition and subtraction. Students are encouraged to show their work.
Curated OER
Grade 2 Math: Addition and Subtraction 5
In this money worksheet, students are given amounts of money in coins, (ex. one penny and one dime). They are asked to write how much money those coins represent.
Curated OER
Dribbling Math Challenge
Students practice foot dribbling and hand dribbling with control. In addition it helps to reinforce math concepts.
Curated OER
Estimating the Cost of Shopping
For this math worksheet, students choose 20 items from a shopping list that includes the price of each food. Students estimate the cost of the list and then figure out the actual cost.
Pennsylvania Department of Education
Associative Properties
Students investigate the associative property of addition. In this associative property of addition activity, students work in pairs and build addition problems with six blocks. They sit on either side of a desk so that they can "read"...
Curated OER
Adding and Subtracting Decimals
Students practice adding and subtracting numbers with decimals. In this decimals lesson plan, students use grid paper and money to learn how to add and subtract decimals.
Curated OER
Adding - Written Questions
In this addition learning exercise, students solve the 10 subtraction problems and write the answers in the boxes. The problems involve adding a 2-digit number to a 2-digit number. The answers are on the second page.