Worksheet
Curated OER

Addition and Subtraction of Integers #1

For Students 8th - 9th
In this addition and subtraction of integers #1 worksheet, students solve 120 two digit problems with positive and negative numbers;  there are 2 different sheets on a page, each with 60 problems.
Worksheet
Curated OER

One-Digit Subtraction

For Students K - 1st
For this subtraction worksheet, students look at pictures with numbers crossed out and solve the numerical problem. An answer key is included.
Worksheet
Curated OER

Vertical Subtraction

For Students 2nd - 3rd
In this subtraction learning exercise, students practice subtracting three digit numerals. Twenty five problems are listed. Some problems do require regrouping.
Lesson Plan
EngageNY

Scientific Notation

For Students 8th Standards
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...
Lesson Plan
Curated OER

Primary Understanding and Use of Place Value

For Teachers 3rd - 4th
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
Lesson Plan
Pennsylvania Department of Education

Order, Order

For Teachers Pre-K - 2nd
Students use pictures to identify items as ordinal numbers. In this ordinal numbers lesson plan, students use the words "before" and "after" to identify the pictures as well.
Worksheet
Curated OER

Find A Difference By Counting Up

For Students 3rd - 4th
In this subtraction worksheet, students solve 11 problems in which a single digit is subtracted from a four digit number. Students do this mentally by taking from the whole thousands and then counting up or by counting back.
Worksheet
Curated OER

Addition and Subtraction

For Students 5th - 7th
For this addition and subtraction worksheet, students add and subtract three and four-digit numbers with decimals. They justify their answers. This two-page worksheet contains approximately 12 problems.
Worksheet
Curated OER

The Math Lesson 10

For Students K - 2nd
In this subtraction practice worksheet, students use their problem solving skills to solve 200 problems that require them to subtract single digit numbers.
Lesson Plan
Curated OER

Dividing a Candy Bar

For Teachers 4th
Fourth graders explore number values by utilizing a candy bar in class. For this fraction lesson, 4th graders divide pizza and candy amongst each other in order to identify parts of a whole and fractions. Students answer several fraction...
Worksheet
Math Salamanders Ltd.

Subtraction—Up to 20 Sheet 1

For Students 2nd - 3rd Standards
In this subtraction practice activity, students solve 20 problems requiring them to subtract one- or two-digit numbers from two-digit numbers.
Worksheet
Curated OER

Non-Calculator Maths Pack

For Students 6th - 7th
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...
Worksheet
Curated OER

Subtraction Worksheet

For Students 1st
For this subtraction worksheet, 1st graders practice their subtraction skills by subtracting the 3 digit numbers. Students solve 20 problems.
Worksheet
Curated OER

Lowest Common Multiple

For Students 4th - 8th
In this lowest common multiple worksheet, students find the LCM of 2 digit numbers that don't exceed the number 20. Students complete 10 problems.
Worksheet
Curated OER

Difference

For Students 1st - 2nd
In this subtraction worksheet, students solve 20 problems in which one or two digit numbers are subtracted. The word "difference" is used. Example: Find the difference between 16 and 7.
Worksheet
Curated OER

Subtraction Word Problems 4 Version 4

For Students 2nd - 4th
In this subtraction learning exercise, learners read and solve 6 problems in which one and two digit numbers are subtracted. There will be regrouping in some problems.
Worksheet
Curated OER

Basic Subtraction

For Students 2nd - 3rd
In this subtraction learning exercise, students practice their subtracting skills. Students solve twenty simple one and two- digit problems.
Worksheet
Curated OER

Fun Math Worksheet: Subtraction 2

For Students 2nd - 4th
In this subtraction practice activity, learners use their problem solving skills to solve 15 problems that require them to subtract 3 or 4-digit numbers from 4-digit numbers.
Lesson Plan
Curated OER

Using a Hundreds Chart

For Teachers 1st - 3rd
Youngsters participate in three activities using the hundreds chart. They will choose numbers to add up to one hundred. Whoever gets the most combinations wins. Two variations of the game are supplied.
Worksheet
Curated OER

Subtract by Finding Difference-Counting On

For Students 3rd - 4th
In 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.
Worksheet
Curated OER

Long Division 2

For Teachers 4th
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.
Worksheet
Curated OER

Math: Decimals / Money #1 (10-99)

For Students 3rd - 6th
In this elementary math learning exercise, students review subtracting decimals as they complete 25 problems. The problems require students to subtract digits ranging from 10-99.
Worksheet
Curated OER

Algebraic Proofs for Repeated Digits

For Students 10th - Higher Ed
In this proof worksheet, students write two proofs for why they get repeated digits when following a series of math operations.  The solutions are provided.
Lesson Plan
Curated OER

Subtraction: 3-Digit Regrouping

For Teachers 3rd
Third graders listen to a lecture and view a PowerPoint presentation on using regrouping in three-digit subtraction problems. They use a spinner to form three-digit subtraction problems and complete them.