Worksheet
Curated OER

Addition: Number Bonds to 40

For Students 2nd - 3rd Standards
In this addition and subtraction worksheet, students use their problem solving skills to solve 41 problems as they fill in the missing numbers in each of the problems.
Worksheet
Curated OER

Subtracting 2-Digit Numbers Mentally

For Students 3rd - 6th
In this subtraction worksheet, students subtract 2 digit numbers from each other using mental math. Students complete 12 problems and 9 comparison problems.
Lesson Plan
Curated OER

Fraction Facts

For Teachers 6th - 8th
Students explore the concept of fractions. In this fractions lesson, students perform basic operations such as addition and subtraction with fractions. Students play a game on the computer called 'Fraction Four' that gives students...
Lesson Plan
Pennsylvania Department of Education

Fractions and Ribbons

For Teachers 5th
Fifth graders solve division problems using partial quotients. In this long division lesson, 5th graders practice seeing division as a process of repeated subtraction and estimation. This lesson provides a script for the teacher.
Lesson Plan
Curated OER

Multiplication Stories

For Teachers 2nd
Second graders solve various multiplication math word problems involving cars and people, fish and fish bowls, and tables and table legs. They write and solve multiplication story problems related to whole numbers, addition, subtraction,...
Worksheet
Curated OER

Problem Solving Strategy Practice: Guess and Check

For Students 3rd - 4th
In this guess and check worksheet, students solve 5 word problems using guess and check and show their work. Houghton Mifflin text is referenced.
Worksheet
Curated OER

Problem-Solving Strategy: Find a Pattern: Problem-Solving

For Students 4th - 5th
In this finding patterns worksheet, learners read the word problem about costume costs and study the graph. Students then follow the steps of understand, plan, solve, and look back to find the pattern.
Worksheet
Curated OER

The Number Tool Box

For Students 3rd - 5th
In this solving a math terms crossword puzzle worksheet, students read the clues across and down and write the math terms in the blanks. Students write 19 answers. 
Lesson Plan
Curated OER

Number Line Math

For Teachers 2nd
Second graders use a number line to practice subtraction.  In this subtraction lesson, 2nd graders use a number line to count backwards.  Students participate in mad math activities and solve problems.
Lesson Plan
Curated OER

Patterns Here, There and Everywhere

For Teachers K - 2nd
Pattern recognition is a skill often used in mathematics. Learners count and sort manipulatives, organize the data into a graph and answer questions about the information displayed. They collect the objects to be used and create patterns...
Worksheet
Curated OER

Brain Booster: Subtraction Strategy- Working Backward

For Students 3rd - 4th
In this daily math problem worksheet, students complete three activities that help them use subtraction and work backwards. Students show their work using pictures, numbers, or words and may use cubes, number lines or hundred boards for...
Lesson Plan
Curated OER

Dream Car Math

For Teachers 9th - 12th
High schoolers collect car cost comparison data from the "Car Wizard" web site to use as problem solving and for calculations related to math.
Worksheet
Curated OER

Subtraction Numbers to 9

For Teachers 3rd - 4th
In this math worksheet, students find the answers to the 30 subtraction problems. The solutions can be checked by using addition.
Lesson Plan
Curated OER

Junk Yard Math

For Teachers 3rd
Third graders explore the process of place value and subtraction through regrouping and borrowing exercises. Several activities using manipulatives are utilized in the activity.
Worksheet
Curated OER

Subtraction - Numbers to 12

For Students 1st Standards
In this subtraction worksheet, 1st graders solve for the differences in 30 vertical problems in which they use numbers up to 12.
Lesson Plan
Curated OER

Addition and Subtraction of Signed Numbers

For Teachers 4th - 6th
Students explore the concept of adding and subtracting using positive and negative numbers. In this addition and subtraction of signed numbers lesson, students use pennies to represent positive and negative numbers. Students deposit and...
Lesson Plan
Curated OER

Twelve Days of Christmas--Prediction, Estimation, Addition, Table and Chart

For Teachers 1st - 3rd
Scholars explore graphing. They will listen to and sing "The Twelve Days of Christmas" and estimate how many gifts were mentioned in the song. Then complete a data chart representing each gift given in the song. They also construct...
Lesson Plan
Curated OER

Native American Pebble and Pot Game

For Teachers Pre-K - 1st
Students participate in a game using 12 manipulatives.  In this addition and subtraction lesson plan students play a game originated by the Native Americans and  look at a number of items and calculate how many are hidden....
Lesson Plan
Curated OER

Solving Problems

For Teachers 2nd
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation lesson, 2nd graders solve real life problems to understand estimation and money problems.
Lesson Plan
Curated OER

A Borrower And A Lender Be

For Teachers 2nd
Second graders practice addition and subtraction in this fun, technology-based Mathematics instructional activity for the second grade classroom. The instructional activity includes resource links, video clips, interactive websites, and...
Lesson Plan
Curated OER

Wolves and Penguins

For Teachers 1st - 3rd
Young scholars practice subtraction strategies and the use of number lines to count back. They use photographs of wolves and penguins to practice subtraction and the creation of number lines. Afterwards, they draw a wolf howling or a...
Lesson Plan
Curated OER

Dividing by 4's

For Teachers 3rd
Third graders explore math functions by completing problem solving activities. In this division lesson plan, 3rd graders utilize the division strategies acquired earlier to divide multiple digit numbers by 4's. Students complete problems...
Lesson Plan
Curated OER

Walking On The Number Line

For Teachers 4th - 5th
Students investigate the concepts of expressions and equations while defining the similarities and differences. They explore the operations by using a number line and record answers while working with the teacher. Students play the game...
Lesson Plan
Curated OER

Study Buddies: Counting Back Tens and Ones

For Teachers 1st - 2nd
For this math worksheet, learners will work with a coach to solve a problem in which they must subtract by counting back by tens and ones. Students will follow a step-by-step process and notes are provided for the coach.