Activity
Curated OER

K-5 Mathematics Module: Number and Number Sense

For Students K - 5th Standards
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency...
Worksheet
Curated OER

Number Puzzles- Visual Thinking Addition and Subtraction Enrichment Worksheet

For Students 2nd
In this addition and subtraction number puzzle enrichment activity, 2nd graders search a number grid for 4 hidden addition and 5 hidden subtraction problems. They write the problems in the 9 boxes below the puzzle.
Worksheet
Curated OER

Visual Sum and Difference Word Problems

For Students 1st - 2nd
Aside from awkward wording, this worksheet has problems for learners to solve. They read each problem then use the provided pictures to solve. Note: The images and language are misleading on this worksheet and may be confusing for...
Worksheet
Curated OER

Using Doubles

For Students K - 2nd Standards
Bring this easy shortcut to your first grade addition lesson!  By adding doubles (6+6, for example), and then adding or subtracting 1, kids learn how to solve simple addition problems with ease. This trick is especially helpful for...
Lesson Plan
EngageNY

The Geometric Effect of Some Complex Arithmetic 1

For Teachers 11th - 12th Standards
Translating complex numbers is as simple as adding 1, 2, 3. In the ninth lesson in a 32-part series, the class takes a deeper look at the geometric effect of adding and subtracting complex numbers. The resource leads pupils into what it...
Lesson Plan
EngageNY

Read Expressions in Which Letters Stand for Numbers

For Teachers 6th Standards
Pencil in the resource on writing verbal phrases into your lesson plans. The 15th installment of a 36-part module has scholars write verbal phases for algebraic expressions. They complete a set of problems to solidify this skill.
Worksheet
Curated OER

Length Addition and Subtraction Word Problems

For Students 1st - 2nd
Who has the tallest ice cream cone? Learners read two short word problems to compare the heights of various objects. Because these are paired with images, the objective is more of an image analysis than measurement addition and...
Lesson Plan
West Contra Costa Unified School District

Adding by finding 10's

For Teachers 1st - 2nd Standards
Count with ten frames in a first grade addition lesson. Kids determine how to identify numbers on a number line, as well as with ten frames, and complete ten frames to show their answers in several addition problems.
Activity
1
1
Baylor College

Food: The Math Link

For Teachers K - 5th Standards
Enrich your study of food science with with these math worksheets. They offer a variety of food-related word problems that are great practice for multiplying, identifying fractions, estimating length, and performing calculations...
Activity
Baylor College

Air: The Math Link

For Teachers 1st - 3rd Standards
Inflate this unit on the science of air with these math skills practice and word problems. Accompanying the children's story Mr. Slaptail's Secret, this resource covers a wide range of math topics including the four basic...
Worksheet
Curated OER

Number Lines and Whole Numbers

For Students 1st - 2nd
Number lines are a great way to help beginning mathematicians comprehend addition and subtraction. They examine an addition equation and find the sum using the number line. Learners indicate the sum on the line and write it into the...
Worksheet
Curated OER

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...
Worksheet
Curated OER

Name For Numbers

For Students 2nd
In this same number facts worksheet, 2nd graders use either addition or subtraction to solve 8 math problems and then place the two math problems that match the numbers at the bottom of 4 trees on the lines provided.
Worksheet
Curated OER

Subtraction Equations

For Students Pre-K - 1st
For this subtraction practice worksheet, students count the 3 sets of pictured items to fill in the blanks in order to create and solve subtraction number sentences.
Worksheet
Curated OER

Properties of Addition and Subtraction

For Students 3rd - 4th
In this using properties to solve word problems, learners find the sums and differences of two-digit numbers using the zero property and the order property of addition to problem solve. Students solve six problems.
Worksheet
Curated OER

Relate Counting to Addition and Subtraction

For Students K - 2nd
Use patterns to practice basic addition; pupils count by two, starting from eight and counting on to 20. They record the five numbers missing from the sequence. Below, the worksheet walks learners through the process...
Worksheet
Math Worksheets Land

Add and Subtract within 1000 - Step-by-Step Lesson

For Students 2nd - 4th Standards
Three-digit numbers are the name of the game here! Scholars convert 456 to expanded form, then complete one addition and one subtraction problem. The equations are written vertically, and the addends produce a four-digit number. There is...
Worksheet
Curated OER

Subtraction and Unknown Addends

For Students 1st - 2nd
A brief addition word problem has learners searching for the missing addend. They read about Mr. George, who already has five gallons of fuel in his car. Knowing the car can hold eleven gallons, they compute how many gallons he needs....
Lesson Plan
Willow Tree

Number Properties

For Teachers 7th - 10th Standards
The number of basic algebraic properties can become overwhelming for learners. A activity explains and gives examples for all the basic algebraic properties. The resource is perfect to use as a way for pupils to organize...
Worksheet
Math Centre

Fractions: Adding and Subtracting

For Students 4th - 7th Standards
Young mathematicians piece together the puzzle of fractions. Starting with the addition and subtraction of fractions with like denominators, this series of example problems and skills practice exercises transitions students...
Worksheet
Curated OER

Relate Addition and Subtraction

For Students 1st - 2nd
In this addition and subtraction worksheet, learners use problem solving skills to write number sentences and solve 6 word problems that require them to add and subtract.
Worksheet
Curated OER

Relate Addition and Subtraction Facts

For Students 1st - 2nd
In this addition and subtraction facts worksheet, students use problem solving skills to solve 6 word problems that require them to add or subtract.
Worksheet
Curated OER

Using Addition To Subtract

For Students 2nd
For this addition and subtraction worksheet, 2nd graders solve 9 subtraction problems and find the missing digit in 9 addition problems.
Worksheet
Curated OER

Checking Subtraction With Addition

For Students 2nd
In this subtraction worksheet, 2nd graders use the opposite operation to check their work. Students complete 6 double digit subtraction problems using addition to self check.