Illustrative Mathematics
Maria’s Marbles
Ali has more marbles than Maria in some of these word problems, while in others Maria has more marbles than Ali. First graders are tasked to read each word problem and solve how many marbles each girl has.
EngageNY
The Relationship of Division and Subtraction
See how division and subtraction go hand-in-hand. The fourth installment of a 36-part module has scholars investigate the relationship between subtraction and division. They learn using tape diagrams to see that they can use repeated...
EngageNY
Writing and Evaluating Expressions—Addition and Subtraction
Let Y represent Yes to using an excellent resource. Pupils first learn to define variables using a complete description in the 19th part in a series of 36. They write expressions involving addition and subtraction in real-world contexts...
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...
Funbrain
Math Baseball
Hey batter, batter, swing! Reinforce math concepts with a baseball-themed interactive. Scholars add, subtract, multiply, and divide numbers with an interactive math resource. Custom-tailored to their proficiency level, the activity is...
EngageNY
Substituting to Evaluate Addition and Subtraction Expressions
Substitute this resource for what you used to use. Learners identify patterns in data tables and write addition and subtraction expressions to represent relationships. Substitution allows them to solve problems in context in the 20th...
Coloring Squared
Baseball Player Subtracting With 4
Subtracting can be fun, especially when it involves baseball! Beginning subtracters practice taking away four from a number to find their answers. Each square has an answer of a number 1–10 and should be colored based on the color key....
EngageNY
The Relationship of Addition and Subtraction
Add an outstanding resource to your repertoire. The first installment of a 36-part module looks at the relationship between addition and subtraction through an activity using tape diagrams. Pupils develop the identities w – x + x = w and...
Curriculum Corner
Academic Math Vocabulary
The ABCs of math are so important. Find commonly used math terms in a 42-page packet. Each page has the word, a place to write the definition, and a place to give specific examples of the term. A must-have for all math classrooms!
Curriculum Corner
Order of Operations Task Cards (1)
See how well learners know how to solve expressions using the order of operations. Use this packet that includes 28 task cards that requires pupils to evaluate expressions with variables, solve expressions using the correct order of...
EngageNY
Scientific Notation
Young mathematicians learn how scientific notation is meant to save time. Part 10, out of a series of 15, asks scholars to recognize the correct use of scientific notation and finish by adding and subtracting numbers using the notation.
Royal Baloo
Star Wars K-2nd Math Pack
Included in a Star Wars themed packet, young padawans enhance mathematical skills such as graphing, computing using basic operations, counting numbers and money, telling time, and measuring. Scholars play a game of sudoku, read number...
EngageNY
Mid-Module Assessment Task - Precalculus (module 1)
Individuals show what they know about the geometric representations of complex numbers and linearity. Seventeen questions challenge them to demonstrate their knowledge of moduli and operations with complex numbers. The assessment is the...
Math Worksheets 4 Kids
Pictograph Christmas Gifts
Add holiday cheer to math practice with a Christmas themed worksheet designed to reinforce skip counting by two and solving word problems.
EngageNY
The Geometric Effect of Some Complex Arithmetic 1
Translating complex numbers is as simple as adding 1, 2, 3. In the ninth lesson in a 32-part series, the class takes a deeper look at the geometric effect of adding and subtracting complex numbers. The resource leads pupils into what it...
Suffolk Public Schools
Solving Word Problems
Lower young mathematicians' affective filter with a problem solving presentation that details four steps to make word problems appear less daunting.
Los Angeles Valley College
Adding and Subtracting Integers
Practice adding and subtracting positive and negative numbers with a forty-problem integers learning exercise.
Balanced Assessment
Fractured Subtraction
Can you spare a 10? Scholars determine digits that could complete a two-digit subtraction problem. They must find all possible combinations of digits and provide an explanation for their reasoning.
Mental Arithmetic
Mixed Addition and Subtraction Year 1
Reinforce addition and subtraction with a 30-problem arithmetic worksheet in which scholars add and subtract numbers between one through 10.
Curated OER
Aunt Sally Poster
Please Excuse My Dear Aunt Sally is the mnemonic device for the order of operations featured on an informative and engaging mathematic poster.
Mathed Up!
Powers, Roots, and BIDMAS
Reinforce math skills with an eight-page exercise that stretches scholars' computation muscles through 13 order of operation problems.
West Contra Costa Unified School District
Subtracting Numbers
Give families the information needed to support their child in the mastering of subtracting numbers with a two page reference sheet offering detailed descriptions and labeled examples.
Curriculum Corner
Number Family Practice Page
Using their knowledge of the associative and commutative properties of addition, class members work with fact families to create two addition and two subtraction problems with three given numbers.
Curriculum Corner
Number Family Cards
Sixteen number families test young mathematicians' knowledge of the commutative and associative property of addition. Pupils list four problems—two addition and two subtraction—related to a given set of three numbers.