Curated OER
So Many Cats!
First graders listen to the book, So Many Cats, and discuss the number of cats in the story. They demonstrate simple addition problems using cat counters and a work mat in the shape of a house.
Curated OER
Roman Bernardo: Solving Linear Equations
Mathematicians use an inquiry method to solve linear equations. In this linear equations lesson, young scholars practice solving equations using addition, subtraction, multiplication and division. They solve multi-step equations and...
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 3
Assess scholars' knowledge with a 22-page assessment that covers place value, patterns, probability, estimation, measurement, geometric figures; and their ability to add, subtract, multiply and divide proficiently.
Charleston School District
Solving with Inverse Operations
What does order of operations have to do with solving equations? A video explains solving two-step equations using a do/undo chart. Learners recognize the operations within an equation and use inverse operations to undo those operations.
EngageNY
Ratios
Create ratios using the boys and girls in the class. The first lesson in a 29-part series introduces ratios. Pupils learn to create ratios, write them, and model them with tape diagrams. Class members realize that there are different...
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 5
Test young mathematicians' knowledge with an assessment aligned to California's fifth grade state standards. The exam covers a multitude of concepts including fractions and decimals, positive and negative numbers, measurement; and how to...
Virginia Department of Education
Equation Vocabulary
You'd feel bad if someone called you by the wrong name — and equations are no different. Young mathematicians learn the vocabulary associated with equations and expressions identifying these components in sample equations.
California Education Partners
Summer Olympics
Quickly get to the decimal point. The last assessment in a nine-part series requires scholars to work with decimals. Pupils compare the race times of several athletes and calculate how much they have improved over time. During the second...
American Library Association
Even and Odd Numbers: Lesson Plans and Sample Problems
If your youngsters are new to numbers, here are several interactive strategies to get them thinking about even and odd numbers. For example, they can count the number of desks, people, etc. in the room and determine if it is even or odd....
Curated OER
Subtraction and Unknown Addends
The missing addend strategy is helpful to young mathematicians approaching subtraction. This worksheet walks learners through the required steps, solving the problems with them. They examine situations with one addend and a sum provided,...
Curated OER
Subtraction Facts
In this subtraction facts worksheet, students complete a weekly set of subtraction problems for a total of 125 subtraction problems.
Curated OER
Mental Subtraction Methods
In this subtraction worksheet, students subtract problems using mental math methods such as tens groups, comparing problems, helping numbers, and more. Students complete 7 sets of problems.
Curated OER
Division as Repeated Subtraction
In this division worksheet, learners solve long division problems where they learn that division is repeated subtraction. Students complete 4 problems.
Curated OER
Subtraction - Oral Questions
In this subtraction worksheet, students answer twelve 2-digit subtraction problems. The problems are example questions that are to be asked in oral form. For example, "What is 30 take away 12?" The answers are on the second page.
Curated OER
Revise Subtraction (pg. 2)
For this subtraction worksheet, the students figure out 14 subtraction problems using regrouping, decimals, positive and negative numbers. The students must tell if the problems are true or false.
Curated OER
Addition Subtraction
In this sum and difference worksheet, students find the sum and difference of one digit numbers in word form and in number form. Students complete 11 problems total.
Math eBook
Factorial Subtraction Worksheet
In this factorial subtraction learning exercise, students simplify and solve factorial problems. This two-page learning exercise contains approximately 20 problems. This learning exercise may be completed on-line or printed.
Curated OER
Subtract from 11 and Less
For this subtraction worksheet, students solve 6 word problems that use numbers 1-11. The first 2 problems are set up for reference.
Curated OER
Fact Families
In this fact families worksheet, students solve 6 word problems involving either addition or subtraction. Students use knowledge of fact families to solve each problem.
Curated OER
Subtraction: Number Square
In this subtraction activity, students use the number square on the page to help them solve the ten 2-digit subtraction problems. The answers are on the second page.
Curated OER
Two Digit Subtraction - Negative Numbers
In this subtraction learning exercise, students complete four pages of negative number, vertical subtraction. They work with double digit numbers in all 36 problems which can be completed online and printed out.
Curated OER
Subtraction of Money
In this money subtraction worksheet, learners complete a total of 15 problems; 7 problems are horizontal and students write them in columns and complete.
Curated OER
Write the Numbers - Addition and Subtraction in Word Form
In this addition and subtraction worksheet, student fill in the blanks in each equation with the number word that makes it true. They complete 8 problems using the numbers up to ten.
Curated OER
Radicals: Addition & Subtraction of Complex Numbers
In this radical worksheet, students simplify complex numbers. They find the sum and difference of complex numbers. This two-page worksheet contains 11 multiple-choice problems. Answers are given on the last page.