Lesson Plan
Curated OER

Two-Digit Addition and Subtraction (K)

For Teachers 2nd - 3rd
In this addition and subtraction practice worksheet, students find sums and differences of 49 problems by adding and subtracting 2-digit numbers with no regrouping.
Worksheet
Curated OER

Two-Digit Addition and Subtraction

For Students 1st - 2nd
In this addition and subtraction worksheet, students enhance their addition skills by adding or subtracting the 2-digit equations. Students solve 49 problems.
Worksheet
Curated OER

Subtraction Worksheet: Numbers to 19

For Students 1st - 2nd Standards
In this subtraction worksheet, students solve 36 problems in which numbers below 20 are subtracted. The minuend has two digits and the subtrahend has only one.
Lesson Plan
Curated OER

Number Base Clocks

For Teachers 4th - 9th
Young scholars investigate place value in base ten. In this number sense lesson plan, students participate in an online lesson plan at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to convert numbers from...
Lesson Plan
Curated OER

Ten More and Ten Less

For Teachers K - 3rd
Get learners to analyze two-digit numbers based on place value, and use manipulatives to add and subtract both 1 and 10. A place value chart is available, and you can project it during guided practice. Through visualizing...
Worksheet
Curated OER

S + T Two Minute Test

For Students 1st - 2nd
For this timed subtraction test worksheet, students subtract the single and double digit equations in a timed 2 minute test. Students solve 40 problems.
Worksheet
Curated OER

Subtraction: numbers up to 15

For Students 1st - 3rd
In this subtraction worksheet, learners subtract one and two digit numbers up to the number 15. Students complete 10 multiple choice problems.
Worksheet
Curated OER

Math in English Skills IV Exercise Book: Multi-Digit Addition, Subtraction, Multiplication and Division

For Students 1st - 6th
No one can deny the relationship between addition, subtraction, multiplication, and division. However, it's not always easy for learners to see the connection between basic operations. Help your class by providing them with an entire...
Worksheet
Curated OER

Subtract 2-Digit Numbers with Regrouping

For Students 3rd - 4th
In this subtraction with regrouping worksheet, students solve the subtraction word problems using the two digit numbers. Students use regrouping to solve the subtraction problems.
Worksheet
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Subtracting 2-Digit Numbers #6

For Students 2nd - 3rd
In this subtraction worksheet, learners complete a set of 18 problems, subtracting one 2-digit number from another. A reference web site is given for additional activities.
Worksheet
Curated OER

Addition and Subtraction Word Problems

For Students 1st - 3rd
Approach word problems using these straightforward addition and subtraction practice scenarios. Learners choose answers from a list, recording the corresponding letter next to each problem. Ten questions involve basic addition and...
Worksheet
Curated OER

Addition and Subtraction

For Students 2nd - 3rd
For this finding the sums and differences of horizontal problems worksheet, learners add and subtract one-digit and two-digit numbers using mental math. Students solve 242 problems.
Worksheet
Curated OER

Ordinal Numbers and Roman Numerals

For Students 3rd - 5th
In this ordinal numbers worksheet, students color the ordinal numbers in people and write the ordinal number for different one and two digit numbers. Students complete 10 problems.
Worksheet
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Curated OER

How to Do Long Division

For Students 5th - 6th
Here is a calculating the quotients worksheet in which learners read the steps to solve and observe the example of a division problem before solving the long division problems with remainders. They solve 12 problems.
Unit Plan
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EngageNY

Polynomial, Rational, and Radical Relationships

For Teachers 9th - 12th Standards
This assessment pair goes way beyond simple graphing, factoring and solving polynomial equations, really forcing learners to investigate the math ideas behind the calculations. Short and to-the-point questions build on one another,...
Lesson Plan
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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...
Worksheet
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Add and Subtract within 1000

For Students 1st - 2nd
Here are some practice problems with adding and subtracting three-digit numbers. Scholars complete three addition problems and three subtraction problems. None of these involve carrying over or regrouping. There are only two numbers to...
Lesson Plan
Curated OER

Add or Subtract Whole Numbers Up to 1000

For Teachers 3rd - 4th
Elementary schoolers solve practice problems on the board and are shown how to line up the numbers for addition. They solve various addition problems in small groups. Everyone continues the same process for solving subtraction problems.
Worksheet
Curated OER

Subtracting 2-Digit Numbers Mentally

For Students 3rd - 6th
In this subtraction activity, students subtract 2 digit numbers from each other using mental math. Students complete 12 problems and 9 comparison problems.
Worksheet
Curated OER

Dividing Larger Numbers

For Students 5th - 6th Standards
As math scholars begin taking on more complex division problems, it's time to cover the different ways to show remainders. Here, they complete eight long-division equations with a fraction remainder and then eight more with a unit...
Printables
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K-5 Math Teaching Resources

Ten Frame

For Teachers Pre-K - 2nd Standards
Engage young mathematicians in building their number sense with this set of ten frame printables. Whether you're teaching pupils how to count, add, or subtract, these tools offer children tremendous support with...
Worksheet
Curated OER

Two-Digit Numbers: 10 More or 10 Less

For Students 1st - 2nd
Complete the sequence by adding or subtracting 10! Although the instructions are slightly vague, the idea is that learners are given a starting number and fill in four sequential numbers by either adding or subtracting 10. The first four...
Worksheet
Curated OER

Dividing Whole Numbers with Long Division

For Students 4th - 6th
Learners use long division to divide numbers. They practice long division by filling in the proper numbers in blank boxes for the quotients and they complete long division problems.
Lesson Plan
Curated OER

What's That Number? 1-Digit Addition and Subtraction

For Teachers 1st - 2nd
In this subtraction and addition worksheet, students fill in missing numbers in problems necessary to arrive at given answers. All problems use 1-digit numbers only.