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Curated OER
Clock Arithmetic and Cryptography
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.
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Division and Multiplication Fact Families
In this math worksheet, students examine 4 pictures and write 2 division sentences and 2 multiplication sentences which go with the pictures.
ABCya
Gobble Squabble
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...
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Adding and Subtracting Like Fractions (7)
In this like fractions worksheet, 5th graders enhance their fraction addition and subtraction skills by solving the 10 like fraction equations.
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Number Recognition and Scramble
In these number practice worksheets, complete 4 different activities to help them write number words. Students also practice their addition and subtraction skills.
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Family at Home
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.
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Arithmetic Patterns
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...
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"Subtraction Bowling"
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...
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Exploring Subtraction
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.
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Math Center: Fishing
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....
Math Salamanders Ltd.
Subtraction to 10 Sheet 1
This subtraction worksheet helps students practice their subtraction skills. Students complete the worksheet by solving twelve one-digit subtraction problems.
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Mathville 1
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.
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Multiplication & Division
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...
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Around the World: Addition, Subtraction, Division, Multiplication
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...
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Fact Finding
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.
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Subtraction Practice Series
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.
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Two-Digit Subtraction With Regrouping
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.
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Writing Equations - Addition/Subtraction Up to 2-Digits Without Regrouping
In this addition and subtraction practice worksheet, students use their problem solving skills to use the information provided to write and solve 12 equations.
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Making Numbers: Number Puzzles 1-20
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.
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Making Numbers: Number Puzzles 1-10
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.
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Cookie Sheet Math
In this addition and subtraction practice worksheet, students solve math problems as they follow the instructions provided in the math game.
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Give and Take
For this adding and subtracting fact families worksheet, learners find facts from pictures, solve, and write number sentences. Students solve six problems.
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Add and Subtract with Hudson River shipping
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...
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Call it "Macaroni"
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...