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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.
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Worksheet
Curated OER

Math Worksheet 1: Subtraction B

For Students 2nd - 3rd
At first sight, younger mathematicians may be intimidated. Tell them not to worry because with a little practice they'll be able to subtract single digit numbers from double-digit numbers ending in 0 with ease. There are 16 problems...
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Worksheet
Curated OER

Division Worksheet 2

For Students 4th
In this division instructional activity, 4th graders complete division problems where they divide one digit numbers into two digit numbers. Students complete 20 problems.
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Lesson Plan
Curated OER

Story Problems

For Teachers 3rd - 5th
Youngsters learn how to solve story problems. They  listen to story problems, learn how to identify important information in a problem, and observe how to solve a story problem. Pupils practice solving an addition story problem with a...
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Lesson Plan
Curated OER

Multiplication Drill

For Teachers 3rd
Third graders solve a number of problems by multiplying basic single digit numbers times other single digit numbers. There are 36 problems to solve on the sheet.
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Worksheet
Curated OER

Math Addition Practice

For Students 1st - 3rd
When your math whizzes complain that adding two numbers is too easy, you know what to do! This addition learning exercise features fifteen equations, each of which has three 2-digit addends. They are required to regroup as they complete...
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Worksheet
Curated OER

Boat Safety Math

For Students 1st - 2nd
What should you always carry on a boat? Learners must solve ten addition and subtraction problems to solve this riddle. The equations include single and double-digit numbers, but no negative numbers are used. They also don't need to...
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Lesson Plan
Curated OER

Addition: one and two digit numbers

For Teachers 1st - 3rd
Learners add one and two digit numbers together with the help of a number line. There are 18 problems to complete.
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Worksheet
Math Salamanders Ltd.

Division - 2 digits by 1 Digit Sheet 2

For Students 3rd - 4th Standards
In this division instructional activity, learners divided two-digit numbers by one-digit with remainders. Students complete 12 division problems.
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Lesson Plan
Curated OER

Problem Solving - Adding Whole Numbers

For Teachers 3rd - 5th
In order to practice problem-solving skills, pupils work through a series of word problems. They each determine an answer and then share their thinking process with the class. This lesson demonstrates that there may be more than one way...
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Worksheet
Math Salamanders Ltd.

Column Subtraction (No Regrouping) - 2 Digits Sheet 1

For Students 2nd - 3rd Standards
In this subtraction worksheet, students complete two-digit subtraction problems without regrouping. Students complete 12 subtraction problems.
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Worksheet
Math Salamanders Ltd.

Column Subtraction - 4 Digits Sheet 4

For Students 3rd - 5th Standards
In this column subtraction with four digits worksheet, students subtract, rename, and keep the columns aligned to get the correct answer.
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Worksheet
Math Salamanders Ltd.

Column Addition - 2 Digits Sheet 3

For Students 2nd - 3rd Standards
In this column addition activity, students add two-digit numbers with regrouping. Students complete 12-column addition problems.
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Worksheet
Math Salamanders Ltd.

Column Addition - 2 Digit Sheet 2

For Students 2nd - 3rd Standards
In this column addition learning exercise, students complete 12 two-digit addition problems with and without regrouping.
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Worksheet
Math Salamanders Ltd.

Column Addition - 2 Digits Sheet 1

For Students 2nd - 3rd Standards
In this column addition problem, students add two-digit numbers with and without regrouping. Students complete 12 addition problems.
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Worksheet
Math Salamanders Ltd.

Column Addition (No Carrying) 3 Digits Sheet 2

For Students 2nd - 4th Standards
In this column addition worksheet, learners add two- and three-digit numbers together without regrouping. They complete 15 addition problems.
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Lesson Plan
Curated OER

Introduce Double-Digit Addition

For Teachers 3rd - 4th
Pupils generate a list of numbers then classify them into groups of single digit and double-digit numbers. After listening to a children's book about double-digit addition, they work with tens and ones blocks to solve double-digit...
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Lesson Plan
Curated OER

Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping

For Teachers 2nd - 4th
Students explore adding 2-digit numbers. In this math lesson, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
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Lesson Plan
Curated OER

Number Base Clocks

For Teachers 4th - 9th
Students investigate place value in base ten. In this number sense instructional activity, students participate in an online instructional activity at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to...
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Worksheet
Curated OER

Adding By 4's

For Students 2nd - 4th
Why is skip counting important? By practicing skip counting, learners will be able to solve problems quicker. With this fill-in-the-blank worksheet, elementary math learners will practice counting by four. 
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Interactive
Curated OER

Addition with Tens and Ones

For Students 1st - 3rd
In this online interactive addition worksheet, students fill in the blank in 10 addition equations to total the number shown with tens and ones. Students check their answers online as they go.
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Worksheet
Curated OER

Basic Math Addition of Fractions 1

For Students 3rd - 6th
In this addition of fractions activity, students add numbers containing fractions and one and two digit numbers. Students complete 16 problems total on this activity.
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Worksheet
Curated OER

Basic Math Multiplication of Decimals 2

For Students 4th - 8th
In this multiplication of decimals worksheet, students complete the multiplication problems with 2 digit numbers containing decimals. Students complete 16 problems.
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Worksheet
Curated OER

Arithmentic Multiplication 1 Worksheet

For Students 4th - 8th
In this multiplication worksheet, students multiply 2 digit numbers by other 2 digit numbers. Students complete 16 problems total.