Curated OER
Pocket Facts
Second graders recall addition and subtraction facts for the numbers 0-9. They review facts written on pocket-sized cards. Students select an unknown addition or subtraction fact to place in their pocket. They carry this fact with them...
EdHelper
Subtraction
In this subtraction worksheet, 1st graders use the number line to help them find the missing number in the single digit subtraction equations. Students solve 25 problems.
Curated OER
Check Subtraction
In this subtraction worksheet, students enhance their subtraction skills by solve the six word problems and then checking their subtraction with addition.
Curated OER
Number Lines and Bead Strings
Students solve addition and subtraction problems using strings of beads and number lines. They mentally perform addition and subtraction problems, and write and solve story problems involving whole numbers.
Curated OER
Adding and Subtracting Integers
In this online interactive integers worksheet, 4th graders solve 8 addition and subtraction integer math problems and problem solve 6 integers problems involving numbers from -20 to 20. Students check their answers online when done with...
Curated OER
Math History Can Help Students Overcome Learning Difficulties
Negative numbers and mathematical notation are better understood by examining how they have been handled throughout history.
Raytheon
Strategies for Solving Math Word Problems
In this strategies for solving math word problems worksheet, students read two pages of examples and explanations, then solve 42 addition, subtraction, multiplication and division problems, answer sheet included.
Curated OER
Sieve of Eratosthenes
Students discover the Sieve of Erathosthenes. They explore a method to find all the prime numbers in a group of numbers. Using models, students practice divisibility rules while examining the difference between prime and composite numbers.
Curated OER
Mathville 1
In this addition and subtraction worksheet, 1st graders add fifteen pairs of numbers between one and ten. They subtract on five problems. Three subtraction problems require regrouping.
Curated OER
More Subtraction Review
In this subtraction worksheet, students practice their subtraction skills by completing four different subtraction sets of problems.
Curated OER
Melt in Your Mouth Subtraction
Students engage in a lesson which involves role-play and the use of manipulatives to solve subtraction problems. After a lecture/demo, students utilize a worksheet imbedded in this plan to gain subtraction practice. They get to eat the...
Curated OER
Fact Family Frenzy
Second graders explore fact families and inverse relationships between addition and subtraction. They use flashcards to model the inverse relationships. Students complete the equations for each fact family.
Fuel the Brain
Subtraction and Comparison
Have your class compare amounts by using basic subtraction to solve these story problems.
Curated OER
Subtraction is Fun!
In this subtraction worksheet, 1st graders enhance their subtraction skills by solving the single digit subtraction equations. Students solve 12 problems.
Curated OER
Math Worksheet 1: Subtraction
In this subtraction practice worksheet, students sharpen their math skills as they solve 15 problems that require them to subtract 1 or 2-digit numbers from 2-digit numbers.
Curated OER
Subtract with Regrouping
In this subtraction practice activity, students sharpen their problem solving skills as they solve 6 story problems that require them to regroup.