Curated OER
Independent Practice 1: Missing Addition or Subtraction Sign
In this addition and subtraction activity, students supply a plus (+) or a minus (-) sign in the square to make the number sentence true for twenty problems.
Curated OER
Add and Subtract Equations with Equal Sign
Gain exposure to addition and subtraction symbols. First, pupils examine a visual number sentence (featuring Sponge Bob), filling in the correct symbol to make it a complete equation. Next, they read a run-on number sentence involving...
DK Publishing
Subtraction Practice #3
Reinforce subtraction skills with twenty problems, all subtracting two-digit numbers from three-digit numbers. An additional five problems at the end of the page include decimals to the hundredth place. Great as a homework assignment or...
CK-12 Foundation
Whole Number Subtraction: Penguins Go for a Swim
As penguins jump off of an iceberg, young mathematicians count the remaining penguins in order to discover the whole number subtraction answer. As they work through the questions, they can manipulate the red dot to add and subtract more...
Curated OER
Pet Care Pluses
The humane society has created a foundational math symbols lesson. The class defines the words plus, minus and equals, then solves math equations based on proper pet care.
Curated OER
Which Sign?
A simple presentation focuses on choosing the correct operational sign. Young learners consider simple sentences such as, "Seven take away three," and they must choose whether a plus sign or a minus sign would be appropriate to use....
Curated OER
Add and Subtract Equations With Equal Sign - Guided Lesson Explanation
What sign is missing? Is this equation true? Rather than a learning exercise, this resource is a one-page script for a guided lesson on addition and subtraction equations. While the pupil handout is missing, the teacher guide could be...
Curated OER
Year 1: Use the Subtraction Sign: Subtraction Facts to 10
in this subtraction worksheet, students solve ten problems in which numbers below 10 are subtracted. There is a number line on the page.
New Zealand Ministry of Education
Addition and Subtraction Pick n Mix
Teach your class how to mentally solve whole number addition and subtraction problems using compensation from tidy numbers including equal additions. They use appropriate recording techniques and predict the usefulness of strategies for...
Curated OER
Math Symbols
Some times simple is as good as gold. Early learners are introduced to the basic mathmatical symbols used to represent addition, subtraction, multiplication, division, and equals; each slide contains one large image of each symbol.
Curated OER
Factoring Difference of Squares
In this factoring difference of squares worksheet, learners solve 18 different problems related to factoring the difference of squares for each. First, they write their parentheses out and find the common factors of the squared number....
CK-12 Foundation
Mental Math for Addition and Subtraction Equations: Marble Bag Collector
Don't lose your marbles as your learn about addition and subtraction equations. Pupils investigate the relationship between addition and subtraction by using an interactive. They drag different color marbles into a box and identify the...
Curated OER
Related Addition and Subtraction
Warm up your mathematicians using this fact families worksheet! Because the answer is explained below, consider projecting this for the whole class and uncovering the bottom half after collecting student responses. There are two...
Curated OER
Star Math
Practice basic subtraction and addition with your kindergarten class. The first two sections of the worksheet feature simple addition and subtraction problems, written in the horizontal format. The last section provides the problem and...
Curated OER
Mathematical Signs
The class inserts either the addition, subtraction or multiplication sign in a box between 2 numbers to show how the provided answer was obtained.
CK-12 Foundation
Sums of Integers with Different Signs: Adding Between 10 and -10
Six questions make up an interactive designed to boost scholars' knowledge of integers. Mathematicians move symbols over a horizontal number line to aid in findings answers between 10 and negative 10. Question types include...
Curated OER
Subtraction with Three Digits
In this mathematics instructional activity, students solve a number of problems by subtracting three-digit numbers from other three-digit numbers. There are 30 problems to solve on the sheet.
Curated OER
Simplifying Expressions (Addition and Subtraction)
Seventh graders simplify algebraic expressions using addition and subtraction to combine like items and solve for the variable. They work with inverse operations to solve equations with guided practice. Everyone completes various...
Curated OER
Subtract Decimal Ten Thousandths (A)
In this mathematics worksheet, students solve a number of problems by subtracting decimals to the ten thousandths place. There are 32 problems to solve on the sheet.
Curated OER
Sign and Symbol Cards
It's important for children to understand the symbols they will encounter during math lessons. Print and cut these cards which include the number 60, the signs for addition, subtraction, multiplication, and division. They can be used to...
Houghton Mifflin Harcourt
Unit 1 Math Vocabulary Cards (Grade 1)
Reinforce mathematical vocabulary with the use of flash cards. Each card showcases a boldly typed word as well as a labeled picture representation of the word. Terms include addition, subtraction, greater than, less than, and more!
Curated OER
ASL: Lesson 16
ASL lesson 16 covers adverbs of time, sentence structure, and asking questions. Each blue link takes you to an image, instructions, or video of the word/s being signed. Great resource!
Illustrative Mathematics
Kiri's Mathematics Match Game
Learning math is so much more fun when it involves playing games. Following the rules of the classic game Memory, young mathematicians flip over two cards at a time as they look for numbers whose sum or difference is equal to the value...
DK Publishing
Real-Life Problems: Miles, Pounds, and More
Give young arithmeticians an applicable way to use their addition and subtraction skills with these five word problems. Each one presents a scenario requiring they add or subtract numbers with units (money, distance, weight,...