PHET
Make a Ten
Rate the resource as a perfect 10. Pupils use an interactive to help add and subtract numbers. They first explore how to express whole numbers using hundreds, tens, and ones, then explore how to add whole numbers by combining to make...
Curated OER
Deciphering Word Problems in Order to Write Equations
Help young mathematicians crack the code of word problems with this three-lesson series on problem solving. Walking students step-by-step through the process of identifying key information, creating algebraic equations, and finally...
Illustrative Mathematics
Double Plus One
Practice doubling with a straightforward worksheet. Learners double plus one each number in the table, and then answer a series of hypothetical math equations.
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
Number Lines
First graders examine the number line as an addition strategy. In this math lesson, 1st graders create a number line and use it to help them solve addition problems.
Curated OER
Double Digit Addition - Regrouping
In this addition practice worksheet, learners solve 75 problems that require them to add 2-digit numbers to 2-digit numbers. The problems require students to regroup.
Curated OER
Mental Addition of 3 Numbers pg. 2
Mental math is a wonderful skill for students to hone. In this mental math addition worksheet, students apply addition fact family strategies to find the sum. Students solve 16 problems.
Curated OER
Christmas Addition Practice: Multi-Digit Addition 2
In this addition practice worksheet, students solve 11 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.
Curated OER
Fantastic Fractions
Young math whizzes solve 20 various types of equations related to fractions. First, they state each portion shaded as a fraction in lowest terms. Then, they determine the missing numerator or denominator and determine the value of each...
Curated OER
Problem Solvers
Fifth and sixth graders compare decimals to the place-value structure in the base-ten number system. They represent fractions as parts of unit wholes, as parts of a set, as locations on a number line, and as divisions of whole numbers....
Inside Mathematics
Number Towers
Number towers use addition or multiplication to ensure each level is equal. While this is common in factoring, it is often not used with algebraic equations. Solving these six questions relies on problem solving skills and being able to...
Illustrative Mathematics
Running Around a Track II
On your mark, get set, GO! The class sprints toward the conclusions in a race analysis activity. The staggered start of the 400-m foot race is taken apart in detail, and then learners step back and develop some overall race strategy and...
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.
Winnipeg School Division Numeracy Project
Dot Card and Ten Frame Activities
What fun, simple number value activities these are! Using dot cards and ten frames, 34 educational games are briefly described to help diversify these great strategies. For example, in the game "I Wish I Had..." the teacher holds up a...
Curated OER
Math Lesson Plan: Pumpkin Addition and Subtraction
Learners practice their addition and subtraction skills. For this seasonal math lesson, students create pumpkin worksheets that may be used to practice addition and subtraction number sentences.
Curated OER
My Test Book: Addition and Subtraction 2
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding 2-digit addition and subtraction. Students may view the correct answers.
Curated OER
Fill in the Blank: Addition Number Sentence
In this online interactive math skills worksheet, students examine an addition sentence and fill in the blanks to appropriately finish it. Students may submit their answers to be scored.
Curated OER
Fill in the Blank: Addition Number Sentence 2
In this online interactive math skills worksheet, students examine an addition sentence and fill in the blanks to appropriately finish it. Students may submit their answers to be scored.
Curated OER
My Test Book: Addition and Subtraction
In this online interactive math skills worksheet, students solve 10 multiple choice math problems that require them to add and subtract using 2-digit numbers. Students may submit their answers to be scored.
Curated OER
Addition and Subtraction Challenge
In this addition and subtraction practice activity, students use their problem solving skills to sove 19 problems that require them to fill in the blanks in 19 number sentences.
Curated OER
Kindergarten Addition Worksheet
In this addition facts practice worksheet, students solve 15 problems that require them to add 1-digit numbers to 1-digit numbers.
Curated OER
Butterfly Addition: Color by Numbers
Children learning to add numbers up to 11 develop the strategy of using the larger number as the first addend and counting on from there to find a sum. They define addition and review the meaning of the plus (+) symbol. To practice, they...
Curated OER
Using Basic Properties to Solve Problems in Math
Learners identify and define the rules of properties of real numbers. They rewrite each of the problems listed using the commutative or associative properties. Pupils apply problem solving strategies to clarify situations in a table...
Curated OER
M & M Addition
Eat your math manipulatives, are you serious? Yup, Learners listen to the story The M & M's Addition book, add single digit numbers to reach sums up to six, and demonstrate addition and subtraction number combinations using several...