Curated OER
Developing Strategies for Addition and Subtraction
Primary graders develop strategies to assist them with addition and subtraction. They discover number combinations and numerical facts which enable them to add and subtract more effectively. Students use these techniques to complete...
Fuel the Brain
Doubles
Word problems can confuse your young learner, especially when the problem asks for "double that number." Using simple addition, your learner will learn how to find the solution to a problem that requires them to take the information from...
Curated OER
Doubles Plus One: Homework
In this addition worksheet, learners find the sum of 12 "doubles plus one" problems. Students then solve a related word problem, then draw or write to explain their work.
Curated OER
Addition Drill
A basic problem-solving worksheet has scholars completing 10 addition problems. The problems each involve two addends, and have single, double, and triple-digit numbers. Once they have found the sum, they locate the number from the list...
Curated OER
Fractions: A Conceptual Approach
If you are teaching fractions to elementary learners this year, this Singapore Math presentation is essential to your curriculum. It addresses several basic fractions concepts in conceptual terms and figures, making each idea accessible...
Curated OER
The Part-Adder 2
Third graders use mental-math strategies to solve two-digit plus two-digit addition problems. They observe and discuss online demonstrations, solve word problems as a class, and independently solve problems and describe their solutions...
Curated OER
Fraction Animals
Second, third, and fourth graders explore fraction strategies and division by splitting sets of farm animals into equal numbers. Independently, they read word problems, solve them, and check their answers.
Curated OER
Addition/Subtraction Strategies
Third graders recall all their addition and subtraction facts to 20. They use the relevant number strategy with whole numbers. Students are taught place value in relation to decimals, and identify 'which decimal is larger.' They...
Curated OER
Revise Doubling and Halving
In this doubling and halving worksheet, students practice doubling 16 three-digit numbers, half 16 three-digit numbers and solve 8 additional division and multiplication math problems.
Curated OER
M&M: Multiplication Madness
Students analyze the multiplication facts from zero to ten in the ten lessons of this unit. The concepts of mental multiplication and solving word problems are important components of this unit.
Curated OER
Ordering Numbers to 1,000
In this ordering numbers to one thousand worksheet, students, working with a partner, calculate the answers to eight word problems involving ordering numbers to one thousand.