Lesson Plan
Curated OER

Number Base Clocks

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

Mental Arithmetic - Adding to Thousands

For Students 4th - 6th
In this addition worksheet, students solve the 15 addition problems using mental math. The last 3 problems ask that students write down the method they used to solve the problem. In these problems, a 4-digit number is added to a 1-digit...
Worksheet
Curated OER

Adding 1s, #2

For Students K - 1st
In this addition practice worksheet, students practice their math skills as they solve 80 problems that require them to add 1 digit numbers to 1 digit numbers.
Worksheet
Curated OER

Adding 0's (B)

For Students 1st - 2nd
For this addition review worksheet, students use problem solving skills to solve 50 problems that require them to add 1 digit numbers to 0.
Worksheet
Curated OER

Adding 9's (B)

For Students 1st - 2nd
In this addition review worksheet, students use problem solving skills to solve 50 problems that require them to add 1 digit numbers to 9.
Worksheet
Print and Practice

Adding to 20 With Andy

For Students 1st - 3rd
For this addition to 20 worksheet, students complete a set of 24 problems, adding 1 and 2-digit numbers with sums to 20. Answer key is included.
Worksheet
Curated OER

Adding two numbers

For Students Pre-K - K
For this addition worksheet, learners complete 4 problems where they have to add two single digit numbers less than 10 together to find the sum. 
Lesson Plan
Curated OER

2 Digit Addition Without Regrouping

For Teachers 2nd - 3rd
In this 2-digit addition worksheet, young scholars complete 20 problems, adding one 2-digit number to another. Answers are included on page 2. A reference web site is given for additional activities.
Lesson Plan
Curated OER

Addition of 2 Digit Plus 1 Digit (No Regrouping)

For Teachers 2nd - 5th
Students review adding without regrouping the numbers. They are divided into groups and have to write the answer to the problem given on their papers.
Worksheet
Curated OER

Dividing Multi digit Numbers

For Students 3rd - 6th
In this division worksheet, students read through an example of how to divide a multi digit number by a single digit number. They then complete the 9 division problems on the worksheet.
Lesson Plan
Curated OER

Addition Practice: Various Digit (A)

For Teachers 2nd - 3rd
In this math worksheet, pupils solve 49 problems in which 2, 3 or 4 digit numbers are added with regrouping. Problems are in vertical format.
Worksheet
Curated OER

Adding With Regrouping (B)

For Students 1st - 2nd
In this addition review activity, learners use problem solving skills to solve 35 problems that require them to add 1 digit numbers with regrouping.
Worksheet
Curated OER

More Addition Using Hundredths

For Students 3rd - 5th
In this decimal addition practice worksheet, students sharpen their math skills as they solve 40 problems that require them to add decimal numbers that have 3, 4, and 5 digits.
Worksheet
Curated OER

Two Digit 2

For Students 4th - 6th
In this addition activity, students provide correct computations illustrating their understanding of the concept by adding double digit numbers. There are 25 problems to solve.
Worksheet
Curated OER

Addition Exercise #3

For Students 2nd - 3rd
In this addition worksheet, learners complete 30 problems, adding 1 and 2 digit numbers together. Answers included on page 2.
Worksheet
Curated OER

Add 29, 39, 49 To Any 2-Digit Number

For Students 4th - 5th
In this addition worksheet, students solve 18 problems in which the number 29, 39, or 49 is added to a two digit number. There are no hints or examples. Problems are in horizontal format for mental math.
Worksheet
Curated OER

Add 19 to Any 2-Digit Number

For Students 2nd - 4th
In this addition activity, students solve 18 problems in which the number 19 is added to a two-digit number. No hints or examples are provided.
Worksheet
Curated OER

Adding and Subtracting Fractions/Mixed Numbers (1)

For Students 6th - 7th
In this math worksheet, students solve 10 problems in which fractions and mixed numbers with unlike denominators are added and subtracted. Every problem has 3 numbers to be both added and subtracted. Denominators are often two digits.
Worksheet
Curated OER

Adding 6's (B)

For Students 1st - 2nd
In this addition worksheet, students enhance their addition skills by adding the number 6 to a number. Students add to solve the 50 problems.
Worksheet
Curated OER

Practice Math Worksheet: Addition of Single Digits

For Students 1st - 2nd
In this addition activity, students solve 40 problems in which single digit numbers are added. This is a drill of basic addition facts.
Worksheet
Curated OER

Add 2-Digit and 1-Digit Numbers with Regrouping

For Students 3rd - 4th
In this addition and regrouping worksheet, students solve the addition problems using 1 and 2 digit addition problems. Students use regrouping to solve the addition problems.
Printables
Curated OER

Caterpillar Math Game

For Teachers 1st - 3rd Standards
Invite your youngsters to practice addition and subtraction by playing this game. Kids must determine the answer to each math problem and place that problem on the segment of the caterpillar that holds the answer.