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Curated OER
Mat 0024 Section 1.4: Signed Numbers and Decimals
This activity has a little of everything. Compare fractions, determine if numbers are less than, greater than, or equal to. Then practice lining up the decimals to add and subtract decimal numbers. Then multiply decimals remembering to...
Curated OER
Time to Trick-or-Treat!
Use number lines to help scholars add and subtract time as they solve five word problems. Each scenario gives a starting or ending time and several tasks that take specified amounts of time. Scholars mark the number line to determine...
Curated OER
10 More or 10 Less
Practice adding and subtracting 10 with this outer space worksheet. On the top, scholars match digits floating in stars with sums inside a spaceship. Next, they do the same with subtracting 10, connecting numbers to differences. These...
Curated OER
Adding and Subtracting Integers
In this integers worksheet, students use the integer number line to solve the problems as they add and subtract positive and negative numbers. They find the answers to 10 questions.
Curated OER
Adding And Subtracting Decimals
In this adding and subtracting decimals worksheet, learners, with a partner, problem solve and calculate the answers to ten addition and subtraction equations or word problems.
Curated OER
Adding and Subtracting Fractions/Mixed Numbers (9)
In this adding and subtracting fractions and mixed numbers worksheet, students solve 10 problems that require them to add and subtract mixed numbers and fractions.
Curated OER
Ten More, Ten Less
In this number 10 worksheet, students solve 6 word problems, either adding or subtracting 10. Word problems are "picture problems."
Houghton Mifflin Harcourt
Mental Math: Subtract Tens - Homework 12.1
Now that your class can add by 10s they can start subtracting by 10s. This clear, learner-friendly worksheet provides a good example (10-rods are pictured) and 7 problems to solve. Relates groups of tens to single-digit numbers, which...
West Contra Costa Unified School District
Connecting Fractions and Rational Expressions
Teach class members to work with rational expressions using their knowledge of fractions. The lesson plan starts with a warm-up of rational expressions at four different levels of complexity. The different levels continue throughout...
Curated OER
Add and Subtract within 20 - Guided Lesson Explanation
Provide second graders with an explanation for how to find the total value of numbers written in a series of boxes.. The resource provides answers and explanations for problems on a referenced learning exercise that is not included.
Curated OER
Add and Subtract Equations With Equal Sign - Guided Lesson Explanation
What sign is missing? Is this equation true? Rather than a activity, 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 reformatted...
Curated OER
Today's Number
Using the number of days they have been in school, learners practice fining sums by adding ten, subtracting ten, and determining even and odd numbers. They write equations and build numbers with the fewest number of base ten blocks.
Curated OER
Early Mental Math: Practice
Pupils start from a given number and count forward by 1s, 2s, and 10s. They "make ten" in 4 addition problems, and add or subtract 2 in the rest. Finally, they circle the odd numbers in a list from 1-14.
Curated OER
Adding and Subtracting Fractions with Like and Unlike Denominators
In this math worksheet, students compute with fractions. Five of the problems involve common denominators. Four of the problems require students to first find the common denominator. Six problems are multiple choice. One problem involves...
Curated OER
Adding and Subtracting Integers
In this adding and subtracting integers worksheet, students find the sum or difference of 9 problems. Students then evaluate 4 expressions given certain values.
Curated OER
Addition and Subtraction of Integers 1.1
In this integer worksheet, students add and subtract positive and negative numbers. Equations contain two to three terms with a mixture of finding the sum and difference of terms. This worksheet contains 44 equations.
Common Core Sheets
Determining Coordinates: Graphing Patterns
Building on their prior knowledge about patterns, this series of worksheets introduces young mathematicians to graphing in the coordinate plane. Using written descriptions of different numerical patterns, learners...
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 1
Here is an assessment designed to test mathematicians' knowledge of writing numbers, comparing numbers, skip counting, solving addition and subtraction problems; along with measuring objects, telling time, identifying shapes, reading...
Curated OER
Use Addition to Subtract
Young scholars practice solving word problems. They subtract one-digit problems, add to check their answers, and attempt to determine which problems have too much information. There are 6 problems to solve.
Curated OER
Signed Numbers and Order of Operations I
In this signed numbers worksheet, students simplify equations by using the indicated operation. They add, subtract, multiply, and divide equations containing two to four positive and negative integers. Three of the 25 equations contain...
Curated OER
Rational Expressions: Add and Subtract
In this rational expression worksheet, high schoolers add or subtract rational expressions by finding common denominators. There are 11 multiple choice questions.
Curated OER
Spin a Ten
In this addition and subtraction worksheet, 1st graders, working with a partner, spin a paperclip with a pencil to add and subtract units of 10 in 4 bingo cards. Students try to be the first player to get three totals in a row.
Illustrative Mathematics
Discounted Books
Adolescents love to shop, especially when an item is discounted. Here, shoppers only have a set amount of money to spend. Will they be able to make a purchase with the discount and tax added in? Percent discounts can be calculated...
Curated OER
Addition: Number Bonds to 10
You have the answer and a variable, but something is missing! The class fills in the missing addend in 23 practice problems that all add up to 10. This is a great way to build number sense, pattern recognition, and automaticity.