Curated OER
Add or Subtract (up to 50)
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
Noyce Foundation
Apple Farm Field Trip
Monitor the growth of young mathematicians with a comprehensive addition and subtraction assessment. Using the context of a class field trip to an apple orchard, this series of four story problems allows children to demonstrate their...
Willow Tree
Arithmetic and Geometric Sequences
Old mathematicians never die; they just lose some of their functions. Studying sequences gives scholars an opportunity to use a new notation. Learners write functions to model arithmetic and geometric sequences and use them to find new...
Houghton Mifflin Harcourt
Intensive Math
Three chapters worth of integer, fraction, and decimal problems to give you every type of question your learners need to be a successful mathematician. Thankfully the work has been done for you and this is a huge resource full...
Math Learning Center
Second Grade Assessments and Scoring Checklists, Common Core State Standards
How are your second graders progressing in their math skills? Find out with a series of math assessment activities. With baseline assessment score sheets for each skill, you can track how well your kids are adding, subtracting, telling...
Pedago Net
Math Games Using Dice and Cards to Promote Mental Strategies
Develop mental math skills using these fun partner games. Covering basic operations, each one offers differentiation options, extension ideas, and clear directions. Dice or cards is all you'll need to keep kids' attention as they...
Curated OER
Adding or Subtraction Algebraic Fractions
In this Algebra I/Algebra II worksheet, students add and subtract algebraic fractions and reduce the answer to lowest terms. The two page worksheet contains a combination of eleven multiple choice and free response questions. ...
Curated OER
Addition and Subtraction of Rational Expressions
In this rational expressions worksheet, 9th graders solve and complete 15 different problems that include adding and subtracting rational expressions. First, they define Least Common Multiple to get a common denominator in an equation....
Willow Tree
Fibonacci and Other Sequences
Fibonacci is an interesting sequence that forms some unique patterns. Learners explore sequences that do not have the typical arithmetic and geometric patterns. They identify the pattern and find the next consecutive terms....
Mathematics Vision Project
Module 10: Matrices Revisited
A matrix is just a fancy way of making a table. Young scholars explore operations with matrices with the first lessons in the final module of a 10-unit Algebra II series. After adding, subtracting, and multiplying matrices, pupils use...
DK Publishing
Money Word Problems #3
Money is an excellent way to help young mathematicians practice adding and subtracting numbers with decimals. They solve 15 word problems representing a variety of scenarios for calculating money. For some, scholars determine which bills...
Curated OER
Everyday Problems
Bring math into the real world with these scenarios which have scholars adding and subtracting money and measurements. There are five word problems here. One involves three addends, another decimals, and another prompts learners to find...
Curated OER
Tetrahedral Dice
Put those thinking hats on and look at all the possible outcomes from rolling two different four-sided dice. The challenge in this problem is finding all the combinations when adding and subtracting the numbers from each die and creating...
West Contra Costa Unified School District
Simplify Expressions and Solve Equations Using Two-Column Proofs
Increase understanding of the algebraic properties and their importance. Scholars justify their steps as they simplify expressions and solve equations. They formalize their work as two-column proof.
Curated OER
A Human Number Line: Student Worksheet
Kids are challenged to make a human number line. They line up, holding numbers from -10 to 10. They then add and subtract both positive and negative numbers, using themselves as the numbers on the number line. This is a great way to...
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...
Curated OER
Working with Coins
Count the correct change with a money math worksheet! Given certain coins, second and third graders add and subtract amounts of money to find the correct change. The worksheet uses pennies, nickels, dimes, quarters, half dollars, and...
Curated OER
Fractions: A Conceptual Approach
If you are teaching fractions to elementary learners this year, this Singapore Math presentation is essential to your curriculum. It addresses several basic fractions concepts in conceptual terms and figures, making each idea accessible...
Los Angeles County Office of Education
Assessment For The California Mathematics Standards Grade 6
Test your scholars' knowledge of a multitude of concepts with an assessment aligned to the California math standards. Using the exam, class members show what they know about the four operations, positive and negative numbers, statistics...
Curated OER
Mental Math for Adding Decimals
Fifth graders work in groups to practice adding decimals. For this adding decimals lesson, 5th graders call out different money amounts to each other and mentally add the coins called out. Students take turns calling out and adding the...
Curated OER
Fractions and Percentages
In this fractions and percentages learning exercise, students are given 4 mental test each with 8 problems including finding percentages, converting decimals and fractions to percentages, and adding, subtracting and multiplying fractions.
Curated OER
Number Bonds
Being able to recognize number bonds that make 10 is a great way to help learners add 3 digits together. First they make 10 by adding two numbers together, then they assess 3 digit addition sentences, where they make 10 first then add-on...
EngageNY
Writing and Expanding Multiplication Expressions
Find out what's so standard about standard form. Scholars learn to write multiplication expressions with variables in the 10th lesson plan in a series of 36. They use different symbols for multiplication and translate between standard...
Illustrative Mathematics
The Napping House
How many people and animals can cram into a single bed? Find out with this cross-curricular math and language arts instructional activity. Following along with a reading of the children's book The Napping House by Audrey Wood, young...