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Curated OER
Addition and Subtraction of Integers #1
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.
Curated OER
One-Digit Subtraction
For this subtraction worksheet, students look at pictures with numbers crossed out and solve the numerical problem. An answer key is included.
Curated OER
Vertical Subtraction
In this subtraction learning exercise, students practice subtracting three digit numerals. Twenty five problems are listed. Some problems do require regrouping.
EngageNY
Scientific Notation
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...
Curated OER
Primary Understanding and Use of Place Value
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...
Pennsylvania Department of Education
Order, Order
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.
Curated OER
Find A Difference By Counting Up
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.
Curated OER
Addition and Subtraction
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.
Curated OER
The Math Lesson 10
In this subtraction practice worksheet, students use their problem solving skills to solve 200 problems that require them to subtract single digit numbers.
Curated OER
Dividing a Candy Bar
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...
Math Salamanders Ltd.
Subtraction—Up to 20 Sheet 1
In this subtraction practice activity, students solve 20 problems requiring them to subtract one- or two-digit numbers from two-digit numbers.
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
Subtraction Worksheet
For this subtraction worksheet, 1st graders practice their subtraction skills by subtracting the 3 digit numbers. Students solve 20 problems.
Curated OER
Lowest Common Multiple
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.
Curated OER
Difference
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.
Curated OER
Subtraction Word Problems 4 Version 4
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.
Curated OER
Basic Subtraction
In this subtraction learning exercise, students practice their subtracting skills. Students solve twenty simple one and two- digit problems.
Curated OER
Fun Math Worksheet: Subtraction 2
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.
Curated OER
Using a Hundreds Chart
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.
Curated OER
Subtract by Finding Difference-Counting On
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.
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
Math: Decimals / Money #1 (10-99)
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.
Curated OER
Algebraic Proofs for Repeated Digits
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.
Curated OER
Subtraction: 3-Digit Regrouping
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.