Lesson Plan
Curated OER

Clock Arithmetic and Cryptography

For Teachers 2nd - 5th
Young scholars perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Young scholars apply their multiplication, division, addition, and subtraction skills.
Lesson Plan
Curated OER

Division and Multiplication Fact Families

For Teachers 3rd - 4th
In this math worksheet, students examine 4 pictures and write 2 division sentences and 2 multiplication sentences which go with the pictures.
Interactive
ABCya

Gobble Squabble

For Students K - 5th Standards
A Thanksgiving-themed interactive boosts addition, subtraction, multiplication, and division facts. Using the keyboard's arrows, players navigate a turkey through a maze, gobbling up as many berries as possible without getting tagged by...
Worksheet
Curated OER

Adding and Subtracting Like Fractions (7)

For Students 5th
In this like fractions worksheet, 5th graders enhance their fraction addition and subtraction skills by solving the 10 like fraction equations.
Worksheet
Curated OER

Number Recognition and Scramble

For Students 1st - 2nd
In these number practice worksheets, complete 4 different activities to help them write number words. Students also practice their addition and subtraction skills.
Lesson Plan
Curated OER

Family at Home

For Teachers 3rd - 5th
Students fold paper to form a house, then use three numbers to make fact families for their houses. They write a family of multiplication and division facts on a piece of paper cut in the shape of a house.
Worksheet
Curated OER

Arithmetic Patterns

For Students 2nd - 3rd
Pupils experience math functions as they practice their addition and subtraction skills, and fill in each table based on a given rule. There are two columns in each of the four tables. The in column is already completed and...
Lesson Plan
Curated OER

"Subtraction Bowling"

For Teachers 1st - 2nd
Students experience the math concept of subtraction without regrouping. They practice subtraction bowling to work on their basic subtraction skills. Each student demonstrates mastery of the addition and subtraction facts, the meaning of...
Lesson Plan
Curated OER

Exploring Subtraction

For Teachers 1st - 2nd
In this math worksheet, students take away two crayons from five crayons. A series of questions is included on the worksheet to guide students through the process of taking away. Students tell their coach a subtraction story.
Worksheet
Curated OER

Math Center: Fishing

For Students 1st - 2nd
In this math worksheet, students reinforce addition and subtraction facts 0 to 12 by collaborating in a fishing game. Students fish for numbers with a magnet and create a math sentence, flipping a coin to determine the operation used....
Worksheet
Math Salamanders Ltd.

Subtraction to 10 Sheet 1

For Students 1st - 2nd Standards
This subtraction worksheet helps students practice their subtraction skills. Students complete the worksheet by solving twelve one-digit subtraction problems.
Lesson Plan
Curated OER

Mathville 1

For Teachers 1st
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.
Unit Plan
Curated OER

Multiplication & Division

For Teachers 4th - 5th Standards
Helpful for building a multiplication unit that focuses on different strategies. With explanations about repeated addition and subtraction as foundations for multiplication, scaling, summaries of progression, and basic multiplication and...
PPT
Curated OER

Around the World: Addition, Subtraction, Division, Multiplication

For Teachers 2nd - 4th
Kids love playing the game Around the World, and now you have a tool to make it even easier. Each slide contains a single addition, subtraction, division, or multiplication problem for learners to solve, the answer appears as you process...
Worksheet
Curated OER

Fact Finding

For Students 3rd
In this number search puzzle worksheet, 3rd graders locate and circle 20 addition, subtraction, multiplication and division facts hidden in the puzzle involving the number 6.
Worksheet
Curated OER

Subtraction Practice Series

For Students 2nd
In this mathematics activity, 2nd graders solve a number of problems by subtracting a two-digit number from another two-digit number and regrouping when necessary. There are 36 problems to solve on the sheet.
Lesson Plan
Curated OER

Two-Digit Subtraction With Regrouping

For Teachers 2nd - 3rd
Students practice their subtraction skills by solving 2 digit subtraction equations the teacher lists on the board. For this subtraction with regrouping lesson, students use the regrouping method to solve the 2-digit subtraction equations.
Worksheet
Curated OER

Writing Equations - Addition/Subtraction Up to 2-Digits Without Regrouping

For Students 2nd - 4th
In this addition and subtraction practice worksheet, students use their problem solving skills to use the information provided to write and solve 12 equations.
Worksheet
Curated OER

Making Numbers: Number Puzzles 1-20

For Students K - 2nd
In this number puzzle worksheet, students use their addition and subtraction skills to solve 7 problems that require them to fill in the blanks in 7 addition sentences. An example is included.
Worksheet
Curated OER

Making Numbers: Number Puzzles 1-10

For Students K - 2nd
In this number puzzle worksheet, students use their addition and subtraction skills to solve 7 problems that require them to fill in the blanks in 7 addition sentences. An example is included.
Worksheet
Curated OER

Cookie Sheet Math

For Students Pre-K - 1st
In this addition and subtraction practice worksheet, students solve math problems as they follow the instructions provided in the math game.
Worksheet
Curated OER

Give and Take

For Students K - 1st
For this adding and subtracting fact families worksheet, learners find facts from pictures, solve, and write number sentences. Students solve six problems.
Lesson Plan
Curated OER

Add and Subtract with Hudson River shipping

For Teachers 2nd - 3rd
Rivers aren't just a place for animals to live, they also provide industrial transportation. The class will examine the Hudson River on a map, discuss all the commercial vessels that use the River to transport materials, then complete a...
Lesson Plan
Curated OER

Call it "Macaroni"

For Teachers 1st - 3rd
Who knew there were so many fun educational opportunities featuring pasta? Scholars read a brief informational text about the history of pasta (note that "macaroni" is spelled two different ways, so address this if kids are reading...