Curated OER
Make a Match
Second graders examine the relationship between addition and subtraction. For this number sense lesson, 2nd graders practice their computation skills and use various strategies (including manipulatives and calculators) to...
Curated OER
Relationship Between Addition and Subtraction
Students are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction lesson, students are being taught using theories from different philosophers in education. They are given a...
Curated OER
Add or Subtract
In this addition and subtraction worksheet, students add or subtract the single, two, and three digit problems. Students use the provided space to solve the problems. Students solve 28 problems.
Curated OER
A Frightening Mix of Math, A-Add or Subtract, But Look Out for the Monsters
In this math worksheet, learners add and subtract. Fifteen problems are subtraction, students subtract two digit numbers from three digit numbers. Regrouping is required. Twenty-one problems are addition, learners add two digit numbers...
Curated OER
4-Digit Problem Solving: Add and Subtract
In this problem solving learning exercise, students solve a total of 7 equations, drawing models and using algorithm. A reference web site for additional activities is given.
Curated OER
Estimating Sums and Differences
In this estimation of sums and differences worksheet, 7th graders solve 20 different problems that are related to estimation of numbers. They add or subtract each problem as shown. Then, students estimate the sums and differences for...
Curated OER
Fun Math 63
In this finding the difference worksheet, students subtract three-digits from three-digit numbers with regrouping on a page with fun clip art next to each problem. Students solve 15 problems.
Curated OER
Fun Math 64
In this finding the difference worksheet, students subtract three-digits from three-digit numbers with regrouping on a page with fun clip art next to each problem. Students solve 15 problems.
Curated OER
Fun Math 65
In this finding the difference worksheet, students subtract three-digits from three-digit numbers with regrouping on a page with fun clip art next to each problem. Students solve 15 problems.
Curated OER
Addition and Subtraction: 3 Numbers Combination
In this multiple operations math worksheet, students solve 17 problems in which three 2 digit numbers are added and subtracted. Problems are in a horizontal format.
Curated OER
Add or Subtract (up to 50)
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
Curated OER
Twenty Questions: The Hundred Chart
Use the 20 Questions game to practice math vocabulary and number properties! Project a hundreds chart and hand one out to learners. Ideally, give them counters (beans would work well) to mark off the chart so you can play multiple times....
Curated OER
Adding and Subtracting
Adding and subtracting 100 is a breeze once scholars understand the role place value plays in this math process. They examine four examples before adding 100 to 24 numbers and subtracting 100 from 24 more. If you haven't yet covered...
Helping with Math
Addition - Sums to 12
Addition practice worksheets are good to have on hand to add to homework packets. On this one, 30 single-digit vertical problems are arranged into six rows of five problems each. Add this to your library of tools for reinforcing addition...
Curated OER
Addition and Subtraction 6
In this addition and subtraction worksheet, learners use three one-digit numbers to create correct addition and subtraction number sentences. Students write six number sentences.
Curated OER
Addition: Number Bonds to 100
In this addition worksheet, students fill in the missing addend for problems that add up to 100. Students complete 41 problems.
Curated OER
Missing Digits Operations
In this missing digit operations learning exercise, students solve the problems by figuring out the missing digit. The learning exercise has 30 problems which are a combination of multiplication, division, subtraction, and addition.
Curated OER
Missing Digit Operations
For this missing digit operations worksheet, students solve the problems by trying to figure out the missing digit. The 30 problems are a mixture of multiplication, division, subtraction, and addition.
Curated OER
Utah History & Geography
Fourth graders practice large digit addition. Students become familiar with column addition. Students develop knowledge of counties and county seats.
Curated OER
The Math Lesson 25
In this math skills worksheet, students enhance their addition and subtraction skills by solving the 20 pages of double and triple digit equations.
Curated OER
Math Lesson 12
In these math lessons worksheets, 1st graders practice their math skills of subtraction and addition by completing the 20 pages of equations.
Curated OER
All About Money
Few topics engage young mathematicians as much as learning about money. Through a series of shared readings and hands-on activities, children explore the US currency system, learning how to count money and calculate change as they create...
Curated OER
Addition Strategies: Compensation
For this math worksheet, students learn the addition strategy of compensation: adding an easy number like 10, 20 or 30 and then subtracting a very small number like 1 or 2. Students solve 12 problems on the page.
EdHelper
Subtraction
In this subtraction learning exercise, 1st graders use the number line to help them find the missing number in the single digit subtraction equations. Students solve 25 problems.