+
Worksheet
Curated OER

One and Two digit addition

For Students 2nd - 3rd
In this addition activity, students add one and two digit numbers together with and without regrouping. Students complete 6 addition problems.
+
Worksheet
Curated OER

Adding, Subtraction, Multiplying, and Dividing Fractions and Mixed Numbers

For Students 5th - 8th
In this fractions activity, students first review addition, subtraction, multiplication, and division without fractions.  Next, students add and subtract fractions in fifth-three problems, followed by multiplying in forty-four problems,...
+
Worksheet
Curated OER

Addition - Decimals

For Students 4th - 8th Standards
In this decimal addition activity, students solve 15 problems that require them to add decimal numbers with 1-5 digits.
+
Worksheet
Curated OER

Addition and Subtraction of Decimals

For Students 4th - 5th
In this addition and subtraction of decimals activity, students solve 50 problems in which they line up the decimal points before solving. There are also some order of operations problems on this page. This page is intended to be an...
+
Worksheet
Curated OER

Addition With 3 or More Single Digit Numbers

For Students 2nd
In this addition worksheet, 2nd graders practice adding 3 single digit whole numbers in 12 addition problems. Students write their answers in the boxes provided.
+
Worksheet
Curated OER

Mixed Addition/Subtraction Word Problems One -Version 1

For Students 2nd - 3rd
In this word problems worksheet, students read the word problems and use addition or subtraction to solve the problems. Students solve 5 problems.
+
Worksheet
Curated OER

Add Mixed Numbers with Like Denominators (D)

For Students 5th
In this fraction addition worksheet, 5th graders add the numerators of the mixed number fractions with like denominators to solve the 14 problems.
+
Lesson Plan
Curated OER

Make a Ten

For Teachers 1st - 2nd
Youngsters mentally perform calculations involving addition and subtraction. They solve various addition and subtraction word problems using mental math and counters, write their own number stories, and solve various examples...
+
Worksheet
Curated OER

One-Digit Addition: No Regrouping (H)

For Students 3rd - 5th
In this one-digit addition worksheet, students problem solve and calculate the answers to eighty addition equations with no regrouping.
+
Lesson Plan
Curated OER

Math Match Up!

For Teachers 2nd - 3rd
Help learners solve problems using multiplication and repeated addition. Using counters, learners will be paired up to solve problems. They will go through a series of questions and show models with the counters for the solution. Then...
+
Lesson Plan
Curated OER

Domain: Operations and Algebraic Thinking

For Teachers K - 2nd
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
+
Worksheet
Curated OER

Mat 0024 Section 1.4: Signed Numbers and Decimals

For Students 7th - 10th
This activity has a little of everything. Compare fractions, determine if numbers are less than, greater than, or equal to. Then practice lining up the decimals to add and subtract decimal numbers. Then multiply decimals remembering to...
+
Lesson Plan
Curated OER

Magic Number

For Teachers K
Students create addition sentences. They review number lines and how to jump between numbers to solve equations. They play the "Magic Number" game by using a spreadsheet and guessing numbers. They discuss how they found the magic numbers.
+
Lesson Plan
Curated OER

Understanding 10: Backwards and Forwards

For Teachers Pre-K - 2nd
Help your young mathematicians completely master 10 by practicing one-to-one correspondence, number recognition, and recording numbers displayed. They make 10 with groups of two-different colored cubes and color in 10-frames to show how...
+
Lesson Plan
Curated OER

Adding and Subtracting Integers

For Teachers 6th - 7th
Middle schoolers use discs in order to add and subtract integers. There are manipulatives present so kinesthetic learners can access the curriculum. They also review the concept of the opposite of positive and negative numbers.
+
Lesson Plan
Pennsylvania Department of Education

Multiplication Using Arrays

For Teachers 2nd - 4th
Explore the concept of multiplication by using arrays. Classmates use arrays to gain a better understanding of multiplication. They break arrays apart to model the distributive property of multiplication over addition. The relationship...
+
Lesson Plan
Curated OER

Big Boats Up The River

For Teachers 2nd - 3rd
Using boats along in the Port of Albany as the focus, learners practice adding single-digit numbers and interpreting data. This lesson plan comes with the worksheets, resource links, and other materials to make it a worthwhile experience.
+
Lesson Plan
Curated OER

Arrays of Food

For Teachers 2nd
This lesson plan is based on video clip 220 from the Count on it! series, however the same problem can be posed with out the video. Learners work independently to determine the amount of dried food they will need for a camping trip. Each...
+
PPT
Curated OER

Multiplication: Doubling and Halving

For Teachers 4th - 6th
Intended for summer school, this unit review covers basic multiplication through doubling and halving, division, fraction to decimal conversion, and word problems involving decimal numbers. Use it to warm up the class, review concepts,...
+
Lesson Plan
Curated OER

Reversing Numbers

For Teachers 2nd
Second graders solve a math word problem involving the addition of two digit numbers. They discuss the problem as a class, independently explore the problem, and discuss as a class the solution and how they organized their reversed...
+
Worksheet
Curated OER

Whole Number Addition Level 3

For Students 1st - 2nd
In this math worksheet, students practice the addition problems while combining the addends . They write down the answers for the twelve problems.
+
Assessment
Illustrative Mathematics

Boys and Girls, Variation 2

For Students 1st Standards
How many ways can you make the number 9? Use a task that has pupils thinking about the many different ways a classroom of nine can be made up of boys and girls.
+
Lesson Plan
Curated OER

Arithmetic: Fractions

For Teachers 5th - 8th
Mathematics aces, after a warm-up activity with some easy calculations, practice solving rules of signs and powers of 10 equations. Multiplying and dividing decimals is also covered within this instructional activity in depth. A variety...
+
Worksheet
Curated OER

Decimal Addition

For Students 2nd - 4th
For this decimal addition worksheet, students complete a set of 15 problems, adding both decimals and whole numbers. A website reference is given for additional activities.