Curated OER
Penny Counting
For this penny counting worksheet, students solve 4 story problems in which three digit numbers are added or subtracted. All problems pertain to pennies; there will be regrouping.
Curated OER
The Cross Number Problem
In this algebra learning exercise, 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.
Curated OER
Four + One = Five
In this algebra activity, 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.
Curated OER
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.
Curated OER
One-Digit Addition; No Regrouping (A)
In this math activity, students solve 100 basic addition problems with all sums below 10. Problems are closely spaced and written vertically.
Curated OER
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 plan of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the...
Curated OER
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.
Curated OER
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.
Curated OER
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...
Curated OER
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...
Curated OER
Adding three single-digit numbers
In this addition learning exercise, 2nd graders complete eighty addition problems. Each problem is made of three addends. All of the addends are numbers 0-9.
Curated OER
Two Digit 1
In this math worksheet, 2nd graders solve twenty-five addition problems involving the numbers 0-18. The second page of this file is the answer key.
Curated OER
Investigation - Who is Right?
Third graders explore mathematics by solving problems in groups. For this math functions lesson, 3rd graders demonstrate their understanding of addition and subtraction by completing two digit math problems. Students define a list of...
T. Smith Publishing
Easter Addition : Sums to 100
Around Easter time, if your class is working on adding two-digit sums with regrouping, this instructional activity would make a colorful addition to your homework assignments. After solving 25 problems, they can color all of the eggs...
Curated OER
Three Digit Plus Two Digit Addition
In this addition review worksheet, students use their math skills to solve 36 problems that require them to add 3 digit numbers to 2 digit numbers with regrouping.
Curated OER
The Math Lesson 7
In this addition and subtraction practice worksheet, students use their problem solving skills to solve 200 problems that require them to add and subtract single digit numbers.
Curated OER
10 More
In this adding ten worksheet, students solve ten problems in which the number 10 is added to a two digit number. Students write their answers in oval shapes.
Curated OER
Math Webs #1- Addition
In this elementary math activity, 3rd graders complete 4 addition math webs by adding the number in the middle of the web to those that are placed around it in a circular graphic organizer. They work with single digit numbers that may...
Curated OER
Addition: Number Bonds to 100
In this addition worksheet, students fill in the missing addend for problems that add up to 100. Students complete 41 problems.
Curated OER
Add and Subtract Decimals
In this decimal worksheet, learners read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.
Curated OER
Ten Sly Piranhas: A Counting Story in Reverse
Students solve related addition and subtraction problems. In this addition and subtraction lesson, students use the book Ten Sly Piranhas by William Wise as the source of word problems for students to solve.
Curated OER
Addition
In this mental addition worksheet, learners read the method for adding a series of three 2 digit numbers without paper and pencil. Students solve 16 mental addition problems.