Curated OER
Estimate, Solve, and Check
Young scholars estimate, solve, and check a series of addition and subtraction number and word problems. They write their estimates on a recording sheet, compute and write the answer in the next column, and check their answer with a...
Curated OER
Add and Subtract within 20
Here is a more interesting way to practice addition and subtraction number sentences. Learners complete two sum boxes, adding across and down then totaling for a final sum. They do the same with subtraction in two more boxes. Finally,...
Curated OER
One-Digit Addition and Subtraction No Regrouping (B)
In this addition and subtraction learning exercise, students find the sums and differences of one-digit numbers with no regrouping. Students solve 47 problems.
Curated OER
One-Digit Addition and Subtraction (B)
In this addition and subtraction worksheet, students find the sums and differences of one-digit numbers. Students solve 49 problems.
Curated OER
Three-Digit Addition and Subtraction
In this three-digit addition and subtraction activity, students solve 49 problems. Each problem includes two three-digit numbers that students must add or subtract.
Curated OER
Christmas Missing Digits I
In this mathematical computation holiday worksheet, students find the missing numbers in addition, subtraction, and multiplication problems. There are 23 mathematical problems to complete.
Curated OER
Subtracting One-Digit Whole Numbers
In this subtraction computation worksheet, 2nd graders solve 20 subtraction problems. All of the subtraction problems are one digit.
Curated OER
Math Mammoth End of the Year Test--Grade 1
In this first grade math assessment activity, 1st graders complete 22 math problems based on the topics that were taught in first grade. The topics include telling time, solving word problems and addition and subtraction computation skills.
Curated OER
Subtraction Fun Math 2
In this identifying differences worksheet, students observe clip art and subtract thee-digits and four-digits numbers from four digits with regrouping. Students solve 15 problems.
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
Codebreaker Math
Students solve addition and subtraction problems and decipher and write messages using a code. They read and discuss an informational fact sheet about the Navajo code talkers from World War II, and decode and re-code messages using math...
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
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
Line up Digits to Subtract
In this subtraction practice activity, students sharpen their problem solving skills as they line up digits to solve 6 story problems.
Scholastic
Study Jams! Addition with Regrouping
Zoe needs to back up her music collection, but do her friends have enough space on their computers to help? Find out as you teach your class how to add two- and three-digit numbers with regrouping. Place value is emphasized as both the...
Curated OER
Subtraction Practice
In this subtraction worksheet, students complete a set of 12 problems, subtracting 1 and 2-digit numbers. A reference web site is given for additional activities.
Curated OER
Summer School Math Worksheets --Addition and Subtraction
In this math worksheet, students solve 100 addition problems in which 2 digit numbers are added, with and without carrying. Students then solve 100 subtraction problems with 2 digits, with and without regrouping.
Curated OER
One-Digit Addition and Subtraction No Regrouping (A)
In this math worksheet, students solve 81 problems in which one-digit numbers are added and subtracted. Problems are in a vertical format with addition and subtraction mixed in each row.
Curated OER
One-Digit Addition and Subtraction (A)
In this one-digit addition and subtraction worksheet, students problem solve and calculate the answers to forty-nine addition and subtraction equations.
Curated OER
One-Digit Addition and Subtraction No Regrouping (T)
In this addition and subtraction activity, students find the sums and differences to 36 single digit problems. They do not regroup in these problems.
Math Salamanders Ltd.
Column Subtraction - Money Three Digits Sheet 2
For this column subtraction of money with three digits worksheet, learners solve 20 problems by using regrouping and keeping the decimals aligned.
Curated OER
Quiz: 3 and 4 Digit from 4 Digit Subtraction
In this subtraction worksheet, students complete a quiz in which they solve 10 subtraction problems. These problems require students to subtract 3 and 4 digit numbers from 4 digit numbers. There is a grading scale at the bottom of the page.
Curated OER
Subtraction
In this subtraction worksheet, 1st graders solve 3 sets of subtraction problems to enhance their math skills. Students complete 28 single digit problems.
Curated OER
Two By One Multiplication
Third graders use base-ten blocks to find products of two-digits by one-digit by making a model of the problem. They complete a worksheet by multiplying 2-digits by 1-digit with regrouping. They may use the base-ten blocks if needed.