Curated OER
Adding 7's (A)
For this addition worksheet, students enhance their addition skills by adding the number 7 to a number. Students add to solve the 50 problems.
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Adding 8's (A)
In this addition worksheet, students enhance their addition skills by adding the number 8 to a number. Students add to solve the 50 problems.
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One is a Snail, Ten is a Crab.
Young scholars count by pairs and sets of feet, while reading a story that coincides with this practice. In this math instructional activity, students use their skills to count by multiples and adding on to numbers when they add up feet...
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Worksheet #10
In this mathematics activity, 2nd graders solve various problems by either adding or subtracting when necessary two-digit terms. They use a number line at the top for help solving each.
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Create and Solve
In this number sentences worksheet, students practice adding the single digit numbers and comparing the given numbers by creating number sentences and solve the addition problems.
EngageNY
Polynomial, Rational, and Radical Relationships
This assessment pair goes way beyond simple graphing, factoring and solving polynomial equations, really forcing learners to investigate the math ideas behind the calculations. Short and to-the-point questions build on one another,...
Resources for Educators
Math & Science Connection
Whether you're using a collection of Dr. Seuss books to teach basic math skills like counting, adding, and subtracting, or exploring the different states of matter by melting a crayon with a hairdryer, a series...
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Adding Greater Numbers
In this adding greater numbers activity, students solve 13 problems in which four numbers are added in a column. Most numbers are four or five digits; students will need to regroup more than once.
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What Do You Think?
In this estimating sums and differences worksheet, students solve 6 problems in which the answer to a 3 digit addition or subtraction problem is estimated. Students then solve the problem for an exact answer. There will be carrying and...
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Operations with Decimal Numbers
Sixth graders demonstrate operations with decimal numbers. In this computation lesson, 6th graders play the game "Diabolical Decimals." The objects of this game is to construct the largest number after rolling a die five times. The...
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Penny Counting
In this penny counting activity, students solve 4 story problems in which three digit numbers are added or subtracted. All problems pertain to pennies; there will be regrouping.
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The Cross Number Problem
In this algebra worksheet, students complete a cross word puzzle using numbers instead of words. Every number between 1 and 9 can only be used once. There is an answer key with this problem.
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Four + One = Five
For this algebra worksheet, students decipher a cryptarithm to make an addition problem. They have to figure out what digit each letter represent to be able to solve this problem. There is an answer key with this problem.
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Adding and Subtracting Fractions/Mixed Numbers (1)
In this math worksheet, students solve 10 problems in which fractions and mixed numbers with unlike denominators are added and subtracted. Every problem has 3 numbers to be both added and subtracted. Denominators are often two digits.
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One-Digit Addition; No Regrouping (A)
In this math worksheet, learners solve 100 basic addition problems with all sums below 10. Problems are closely spaced and written vertically.
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Yummy Gummy Subtraction
Here is a quick 15 minute lesson intended to introduce subtraction. Learners count and subtract gummy bears to complete 5 problems. The lessons suggest that the gummy bears can be saved and used the next day, but gummy bears get gross...
EngageNY
Decimal Expansions of Fractions, Part 1
Is it possible to add infinitely long decimals? As pupils complete the examples in the ninth lesson of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the size...
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Multiplication and Areas
Upper graders solve problems involving measurement of squares and rectangles to practice multiplication skills, finding area, and calculating prices and percentages. A performance assessment is included.
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Mental Math Blocks 3
In this math worksheet, students solve eleven math problems. These include finding the missing digits of an addition problem and solving a word problem about picking up pieces of trash.
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Solve Story Problems: Sold! A Mathematics Adventure
Young mathematicians listen to the book Sold!: A Mathematics Adventure by Nathan Zimelman where they encounter ways to solve story problems. They then create and solve start unknown addition and subtraction equations. Resource builds in...
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Telling Time With Clocks/Bingo “Time”
Young learners create a clock by adding hands and placing the numbers in the correct location. After each learner has their very own clock, they explore each component. Review on the hour times, and then introduce them to five-minute...
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Adding three single-digit numbers
In this addition worksheet, 2nd graders complete eighty addition problems. Each problem is made of three addends. All of the addends are numbers 0-9.
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Two Digit 1
In this math instructional activity, 2nd graders solve twenty-five addition problems involving the numbers 0-18. The second page of this file is the answer key.
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Investigation - Who is Right?
Third graders explore mathematics by solving problems in groups. In this math functions activity, 3rd graders demonstrate their understanding of addition and subtraction by completing two digit math problems. Students define a list of...