Worksheet
Curated OER

Use a Number Line to Add - Practice

For Students 1st
In this math worksheet, 1st graders use a number line to practice finding the sums in 18 single digit addition problems. They complete a test prep question in which they find a sum and explain which number they should count from and tell...
Worksheet
Curated OER

Problem Solving: Number Patterns

For Students 4th - 5th
For this number patterns worksheet, students use the patterns of numbers within each word problem to solve and answer the six word problems.
Lesson Plan
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The Number Partner

For Teachers 1st
First graders study number pairs and identify number pairs that sum to numbers from 10 to 30. They use number pairs to solve addition and subtraction problems. They make sensible estimates and check the reasonableness of answers.
Worksheet
Curated OER

Adding - Written Questions

For Students 3rd - 5th
For this addition worksheet, students solve the 10 subtraction problems and write the answers in the boxes. The problems involve adding a 2-digit number to a 2-digit number. The answers are on the second page.
Worksheet
Curated OER

Adding, Subtraction, Multiplying, and Dividing Fractions and Mixed Numbers

For Students 5th - 8th
For this fractions activity, students first review addition, subtraction, multiplication, and division without fractions.  Next, students add and subtract fractions in fifth-three problems, followed by multiplying in forty-four...
Worksheet
Curated OER

Two-Step Linear Equations

For Students 7th
In this two-step linear equations worksheet, 7th graders solve 15 various problems that include linear equations with more than one-step. First, they need to get the variable, x, alone by subtracting/adding the whole number on the same...
Worksheet
Curated OER

Addition of 3-Digit Numbers

For Students 3rd - 4th
For this addition worksheet, students complete a set of 12 problems, adding one 3-digit number to another. A reference web site is given for additional activities.
Worksheet
Curated OER

Adding More

For Students K - 1st
Use this attractive worksheet to help your class practice basic addition skills. Learners answer six questions in which they add on to an amount shown.
Worksheet
Curated OER

Adding 2-Digit Numbers (Crossing 10)

For Students 1st - 2nd
In this addition worksheet, students add the two given two-digit numbers. Students complete nine different problems and solve by segmenting the numbers crossing ten.
Lesson Plan
Curated OER

Adding Fractions with Unlike Denominators

For Teachers 4th - 5th
Young scholars explore why denominators need to match before adding (or subtracting) a fraction. They use unmarked fraction circles and marked fraction bars, to discover a method to add fractions with unlike denominators using equivalent...
Lesson Plan
Curated OER

Name Collections with Craft Sticks

For Teachers K
Groups of Kindergarten students count craft sticks in different groups and name how many they have. They complete simple addition to ten with the use of manipulatives.
PPT
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Adding and Subtracting Decimals

For Teachers 3rd - 5th
The addition and subtraction of decimals is a relatively simple process. The most important thing to remember is to have all of the decimal points lined up. This presentation gives that strategy, plus some others to use when performing...
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

Count by 5s, 10s, and 100s

For Students 1st - 2nd
These number sequences are missing digits! Each of the six has one missing number and scholars must figure out what it is. Here's the pattern, though: all of these sequences involve counting by 5s, 10s, and 100s. Learners add one of...
Worksheet
Curated OER

Mentally Add and Subtract 10 or 100

For Students 1st - 2nd
Find the missing digits in these number sequences. Each of the ten has one missing number and scholars must figure out what it is. Here's the pattern: all of these sequences involve counting by 10s. Learners add or subtract 10 to...
Lesson Plan
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Half of a Half

For Teachers 3rd - 5th
After your math classes have been introduced to fractions (especially those with denominators of two, four, and eight), introduce them to fractions on a number line with this lesson. Using a meter length of tape, show your class where...
Lesson Plan
Curated OER

Jump on Tens

For Teachers K - 4th
Give the actors in your class a chance to shine as they act out skip-counting. In their roles, they take turns shouting out different number patterns and jumping when reaching the given goals set for each number family. A fun and...
Interactive
Curated OER

Practice Writing Three-Digit Numbers

For Students 1st - 4th
This online interactive activity defines what two-digit and three-digit number are and the place values found in each. A practice activity helps build proficiency with this skill by having learners fill in the 21 blanks with the...
Lesson Plan
Curated OER

Math computation

For Teachers 1st - 2nd
The lesson says it is intended for 4th grade but it is suitable for grades 1-3 as well. The class discusses what it means to add, the commutative property of addition, and mathematical reasoning. This is an exercise in number sense,...
Worksheet
Curated OER

Mentally Add and Subtract 10 or 100

For Students 1st - 2nd
Get your mental mathletes in top form with this number sequence activity! They must add or subtract 10 from a number to complete these number lines, finding the missing three-digit numeral from a list of answers. Encourage verbal or...
Lesson Plan
Curated OER

Butterfly Addition: Color by Numbers

For Teachers K - 1st
Children learning to add numbers up to 11 develop the strategy of using the larger number as the first addend and counting on from there to find a sum. They define addition and review the meaning of the plus (+) symbol. To practice, they...
Lesson Plan
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Handcarts - A Unique Form of Transportation

For Teachers 4th - 5th
An interesting historical fact about how handcarts benefitted to the Mormon pioneers is the context behind this math lesson. Using given facts and figures regarding the handcart, pupil pairs create math word problems, share them with the...
Worksheet
Curated OER

Adding Integers

For Students 5th
In this adding integers learning exercise, 5th graders solve and complete 6 different problems that include using number lines. First, they create 6 arcs in column B connecting two integers that can be added together to equal the...
Worksheet
Curated OER

Add and Subtract within 20

For Students 1st - 2nd
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,...