Curated OER
Mental Math Skills
For this mental math worksheet, students use a number line to count backwards and forwards, add doubles, add and subtract one, and add one-digit numbers. Students solve thirty problems.
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Lesson Design Protocol: Add and Subtract
Addition and subtraction are studied in this math lesson. Upper graders add and subtract whole numbers up to 1,000 with and without regrouping.
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Yummy Gummy Subtraction
Here is a quick 15 minute lesson intended to introduce subtraction. Learners count and subtract gummy bears to complete 5 problems. The lessons suggest that the gummy bears can be saved and used the next day, but gummy bears get gross...
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Multiplication and Areas
Upper graders solve problems involving measurement of squares and rectangles to practice multiplication skills, finding area, and calculating prices and percentages. A performance assessment is included.
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Adding One-Digit Whole Numbers
In this adding one-digit whole numbers learning exercise, 1st graders solve 20 addition problems in vertical format with whole numbers from 1 to 10, answers included.
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Addition-Up to 20 (Sheet #1)
In this addition worksheet, students practice their adding with one--digit and two-digit numbers. Students complete the worksheet by solving twenty-four addition problems.
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Column Addition: Single Digits
In this math worksheet, students will add three numbers to find the sum. The equations are presented vertically and addends are numbers 1 to 9.
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Addition Up To 10 Speed Race 5 And 6
For this addition to 18 worksheet, 1st graders complete two sets of ten addition to 18 problems. This is meant to be a timed addition worksheet.
Math Salamanders Ltd.
Addition to 10 Sheet 2
In this addition to 10 worksheet, students complete a set of 16 problems by adding numbers to 10. A reference website is given for additional activities.
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More Addition
Turn your mathematicians into addition superstars with these multiple-addend equations. They add up three, four, and five-digit numbers to find the sums, a few of which are six-digit numbers. The twelve vertically aligned equations...
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Adding Two Digit Numbers with Using Dimes and Pennies
Second graders participate in a math game using dimes and pennies. They practice combining coins to make a given amount of money, and they use the combinations to practice adding two digit numbers. Teacher assessment strategies and...
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Add One-Digit Numbers to Two-Digit Numbers
In this addition with carrying worksheet, students solve 7 problems in which two digit numbers are added to single digit numbers with carrying.
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Add One-Digit Numbers to Two-Digit Numbers
In this addition review worksheet, students practice adding 1-digit numbers to 2- digit numbers as they solve 3 addition problems.
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Subtraction: Two Digit By One Digit With Regrouping
In this subtraction worksheet, 3rd graders find the differences to 30 problems in which they subtract a one digit number from a two digit number. They regroup as needed.
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Two-Digit Plus One-Digit Addition (B)
In this addition instructional activity, students solve 100 problems in which two digit numbers are added to one digit numbers, with and without regrouping.
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Subtraction: One Digit from Two Digits With No Regrouping
In this subtraction worksheet, 3rd graders find the differences to 30 problems in which they subtract a one digit number from a two digit number. They regroup as needed.
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Two-Digit Plus One-Digit Addition (B)
In this addition worksheet, learners solve 64 problems in which two digit numbers are added to single digit numbers, with and without carrying.
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Dividing Two-Digit Numbers
In this division with remainders worksheet, students solve 8 problems in which a two digit number is divided by a single digit divisor. There are detailed instructions on the page.
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Add One-Digit Numbers to Two-Digit Numbers
In this addition word problems activity, students solve 4 story problems in which two digit numbers are added to single digits.
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Adding Decimals
In this adding decimals worksheet, students add numbers with decimals that are 2 digit numbers. Students complete 10 problems.
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Three Digit Plus Three Digit Addition
In this three digit addition worksheet, young scholars solve a total of 49 problems, adding one 3 digit number to another. Answers are included on page 2.
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One-Digit Addition and Subtraction No Regrouping (A)
In this math worksheet, pupils 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.
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Two Digit Addition Without Regrouping #2
In this addition worksheet, students solve 20 problems in which two digit numbers are added. There is no carrying on this page.
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Addition: Two Digit Mental Addition
In this 2-digit addition worksheet, students learn how to solve 2-digit math problems in their heads instead of on paper. They then solve the 20 problems on the worksheet. The answers are on the last page.