Curated OER
Addition & Subtraction Review Worksheet 3
In this addition and subtraction practice worksheet, students sharpen their math skills as they solve 15 problems that require them to add and subtract 3 digit numbers.
Curated OER
Addition & Subtraction Review Worksheet 5
In this addition and subtraction practice worksheet, students sharpen their math skills as they solve 15 problems that require them to add and subtract 3 digit numbers.
Curated OER
Bicycle Ride
Second graders observe and demonstrate how to add and subtract three-digit numbers as they relate to word problems. They discuss an annual bike ride in Iowa, and solve problems on an activity sheet along with the teacher. Students draw a...
Curated OER
Math Shortcuts
Looking for a different way to introduce long division? Need a shortcut for checking multiplication answers? Then this is for you! The multiplication method uses a quick trick to check for accuracy. The division method allows learners to...
Curated OER
Make a Ten
Youngsters mentally perform calculations involving addition and subtraction. They solve various addition and subtraction word problems using mental math and counters, write their own number stories, and solve various examples...
Curated OER
Finding Addition Patterns
Students practice finding the sums of two-one digit numbers. In this addition lesson plan, students also record facts onto an addition chart.
Curated OER
Addition and Subtraction Word Problems
In this addition and subtraction word problems worksheet, students solve 22 word problems that require them to subtract using 2, 3, and 4-digit numbers.
K-5 Math Teaching Resources
Ten Frame
Engage young mathematicians in building their number sense with this set of ten frame printables. Whether you're teaching pupils how to count, add, or subtract, these tools offer children tremendous support with developing their basic...
Curated OER
One-Digit Multiplication
Students multiply the numbers one through ten by four, construct multiplication problems using physical materials, and recognize multiplication as repeated addition. They practice by playing multiplication Bingo.
Curated OER
Math in English Skills III Exercise Book: Understanding Fractions
Fractions can be tricky, and there is no better way to tackle tricky topics than with a visual representation. Intended for learners in grades two and three, this set of printable worksheets provides a variety of fractions represented in...
Curated OER
Solving for Missing Proportions
In this missing proportions worksheet, students solve for the variables that appear in the proportions with one, two, and three digit numbers. Students complete 10 problems total.
Pennsylvania Department of Education
What Balances?
Students explore another meaning of subtraction as it pertains to the inverse of addition. In this what balances lesson, students identify the concept of subtraction as a balance. Students use subtraction facts to generate addition...
Curated OER
Adding Integers
Students add integers using a number line. In this algebra lesson, students add one and two digit integers. They compare zero pairs and the addition of integers.
Curated OER
Math Games for Skills and Concepts
A 27-page packet full of math games and activities builds on algebra, measurement, geometry, fractional, and graphing skills. Young mathematicians participate in math games collaboratively, promoting teamwork and skills practice.
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
Addition and Subtraction
Students complete addition and subtraction activities. In this addition and subtraction lesson, students write a sum with missing numbers or symbols and use parts of their bodies to show the missing symbol or number. Students guess...
Curated OER
Addition and Subtraction
In this addition and subtraction activity, students analyze a math sentence such as: 16+2 = 12-6. Students solve the problems on each side of the equal sign, and mark "true" if the answers are the same and "false" if they are different....
Laura Candler
In the Dog House
Teach your young pups some new tricks with this math facts activity. Using a deck of cards and the included game board, pairs of young mathematicians draw cards and attempt to make products that are larger than their partners' products...
Curated OER
Jump Rope Math
Students practice grade level math skills. In this math instructional activity, students solve math facts on index cards and collaboratively arrange them in numerical order on a jump rope. Correct order earns the team a chance to...
Prestwick House
Vocabulary Activity Sheet
What does it mean to stream a program? How do you know if you're watching a mash-up? If you don't know these words, reach for your handy Merriam-Webster dictionary, because they're there! A series of fill-in-the-blank questions prompt...
Curated OER
Equal Additions
Students explore the relationships between numbers through the use of "equal addition" and "equal subtraction." Through the use of number sense, they are able to computer addition and subtraction problems mentally. Individually,...
Curated OER
Reversing Numbers
Second graders solve a math word problem involving the addition of two digit numbers. They discuss the problem as a class, independently explore the problem, and discuss as a class the solution and how they organized their reversed...
Curated OER
The Difference Bar 2
Students use Internet software, The Difference Bar, to work out the difference between two numbers by breaking numbers into parts. Students use mental strategies to work out the difference between any 2 two-digit numbers. Students...
Curated OER
Take Away Bar 2
Students use an Internet tool, The Take-Away Bar" to solve subtraction problems. They use mental strategies to subtract a two-digit number from a larger two-digit number. Students write and solve subtraction problems. They describe...