Curated OER
Tens and Ones
Learners view three problems involving adding or subtracting with ones and tens. Each problem is followed by an explanation and an answer as to how the problem should be done. Note: This resource contains incorrect grammar and could be...
Curated OER
Subtraction Practice
In this subtraction instructional activity, students complete a set of 12 problems, subtracting 1 and 2-digit numbers. A reference web site is given for additional activities.
Curated OER
Subtraction Relay
Students play a team subtraction game, subtracting two-digit numbers and using addition to check their subtraction. They solve subtraction problems at the board while the team solves the same problem in their seats.
Curated OER
Subtraction with Regrouping
Second graders work with two-digit subtraction problem, identify the sums by playing Bingo, and create four subtraction problems for homework.
Curated OER
St. Patrick's Day Subtraction
In this math worksheet, learners solve 20 problems in which a single digit is subtracted from a 2 digit number. There is regrouping on the page which has a St. Patrick's theme.
Curated OER
Less is More: Subtraction in Action
Students participate in group games to help review the concept of subtraction. During the games, they practice subtracting two-digit numbers and the concept of borrowing. They review their answers with the class and move on to...
Curated OER
Multiplying by 9 Mentally
In this multiplication by 9 instructional activity, students learn to multiply a two digit number times nine. Students multiply by ten and subtract the number. Students solve 10 problems using this method.
Curated OER
Investigation - Who is Right?
Third graders explore mathematics by solving problems in groups. For this math functions lesson, 3rd graders demonstrate their understanding of addition and subtraction by completing two digit math problems. Students define a list of...
Curated OER
Long Division in Two Digits
In this math instructional activity, students find the solutions to the problems for long division. The answers can be shown in the printable version.
Curated OER
Long Division 2
In this mathematics worksheet, 4th graders identify that tens division is not even and they have to subtract to find the remainder ten(s). Students also divide each into groups and combine the remainder ten(s)) with the ones.
Curated OER
How to Use Expanded Form
Third graders write numbers in expanded form. In this math vocabulary instructional activity, 3rd graders write numbers in expanded form using words only, words and numbers, and numbers only. Each student is given three dice to roll....
Curated OER
The Math Lesson 7
In this addition and subtraction practice worksheet, students use their problem solving skills to solve 200 problems that require them to add and subtract single digit numbers.
Curated OER
Domino Adding
Students practice adding numbers to twelve. For this computation lesson, students construct paper domino patterns and play games in which they use the the dots on the dominoes to make addition problems.
Curated OER
Subtract by Finding Difference-Counting On
For this subtraction worksheet, students solve a total of 10 problems, first "counting on" to solve, then determining whether to partition or count on to complete additional problems.
Curated OER
Math Worksheet 1: Subtraction
In this subtraction practice worksheet, students sharpen their math skills as they solve 15 problems that require them to subtract 1 or 2-digit numbers from 2-digit numbers.
Curated OER
Subtraction and Unknown Addends (to 20)
How many more gallons of fuel does Mr. George need to fill his car to capacity? This word problem uses the unknown addend strategy to get scholars subtracting and thinking about the relationship between mathematical...
Curated OER
Subtraction Ungrouping Challenge
In this subtraction ungrouping challenge worksheet, 2nd graders solve fourteen two-digit problems and sort them as needing ungrouping or not.
Curated OER
Estimating Differences (Online Interactive)
In this estimating worksheet, students solve 20 problems in which two or three digit numbers are subtracted after rounding. Students round each number and then give an estimated answer. This is an online interactive worksheet.
Curated OER
Non-Calculator Maths Pack
In this math skills worksheet, students first read a one page information sheet about common errors in arithmetic calculations. Students then solve 39 multiplication problems with 3 digits. Students solve 29 long division problems with 2...
Curated OER
The Math Lesson 8
In this subtraction practice worksheet, students use their problem solving skills to solve 240 problems that require them to subtract single digit numbers.
Curated OER
Addition and Subtraction of Integers #1
In this addition and subtraction of integers #1 activity, learners solve 120 two digit problems with positive and negative numbers; there are 2 different sheets on a page, each with 60 problems.
Curated OER
Answer Match
In this addition and subtraction practice worksheet, students solve 26 problems that require them to add and subtract using 3-digit numbers. Students match the problems that have the same sums and differences.
Curated OER
Addition and Subtraction Word Problems
In this addition and subtraction word problems worksheet, learners solve 22 word problems that require them to subtract using 2, 3, and 4-digit numbers.
Curated OER
St. Patrick's Day Themed Math Word Problems
In this word problems worksheet, students add 1-digit numbers and subtract tens to problem solve. In this short answer & fill in the blank worksheet, students write answers to two problems.