Curated OER
Addition and Subtraction
For this addition and subtraction worksheet, students use the number line to help find the missing numbers for the 23 single and double digit problems.
EdHelper
Subtraction
For this subtraction worksheet, students subtract the money amounts in double digits. Students subtract to solve 14 money problems.
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 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...
Curated OER
Ten Cards Game
In this cards game, students play a card game in three rounds. In the first round, the student's objective is to gather the largest sum of cards. For round two, students try to gather cards to equal a sum of 50. In the...
Curated OER
My Test Book: Addition and Subtraction
In this online interactive math skills learning exercise, students solve 10 multiple choice math problems regarding addition and subtraction of 2-digit numbers. Students may view the correct answers.
For the Teachers
$1 Math
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate...
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...
Curated OER
The School Store
Students choose between the operations of addition or subtraction to solve a real life problem. In this addition and subtraction instructional activity, students make a chart of items sold in the school store. Students then work in teams...
Curated OER
Centipede's 100 Shoes
Students solve equations with the help of their teacher. In this simple equations lesson, students listen to the story Centipede's 100 Shoes by Tony Ross and use the scenarios given in the book as addition and subtraction problems....
Curated OER
Number Manipulation
In this number manipulation worksheet, students solve 4 different types of problems that include number manipulation. First, they use division, multiplication, addition, or subtraction to make each set of numbers into equations which...
Curated OER
Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Curated OER
Year 6 Booster pg. 8
In this mixed practice math activity, 3rd graders complete two problems by following directions to write 3 and 4 digit numbers and write the missing 2 digit numbers to complete 5 equations.
Curated OER
10 More or 10 Less
Practice adding and subtracting 10 with this outer space worksheet. On the top, scholars match digits floating in stars with sums inside a spaceship. Next, they do the same with subtracting 10, connecting numbers to differences. These...
Resources for Educators
Math & Science Connection
Whether you're using a collection of Dr. Seuss books to teach basic math skills like counting, adding, and subtracting, or exploring the different states of matter by melting a crayon with a hairdryer, a series...
Curated OER
Summer School Math Worksheets --Addition and Subtraction
In this math worksheet, students solve 100 addition problems in which 2 digit numbers are added, with and without carrying. Students then solve 100 subtraction problems with 2 digits, with and without regrouping.
Curated OER
Add or Subtract
In this addition and subtraction worksheet, learners solve addition and subtraction problems containing one digit numbers. Learners complete 52 problems.
Curated OER
Add or Subtract
In this addition and subtraction worksheet, students complete addition and subtraction problems containing one digit numbers. Students complete 52 problems.
Curated OER
The Math Lesson 7
In this addition and subtraction practice worksheet, students use their problem solving skills to solve 200 problems that require them to add and subtract single digit numbers.
Curated OER
Casting Out Nines
Students identify division problems with no remainders. In this division lesson, students learn to decipher division problems using addition and subtraction to determine if the problem will contain a remainder.
Curated OER
Balloon word problems
In this balloon word problems worksheet, students complete word problems about balloons with one digit numbers. Students complete 5 addition and subtraction word problems.
Curated OER
Popsicle Stick Regrouping Fun
Students demonstrate regrouping in subtraction. In this math computation lesson, students use popsicle sticks to practice the regrouping strategy. Students practice several examples of regrouping problems in small groups.
Curated OER
Estimate Sums and Differences
In this sums and differences instructional activity, 6th graders solve 20 different problems that including the estimation of numbers in each one. They estimate the sum or difference found in each problem and write it in the space...
Curated OER
Multiplication With Decimals
For this multiplying decimals worksheet, students solve 24 multiplication problems. Each problem has a decimal being multiplied by a two or three-digit number.