Lesson Plan
Curated OER

Fractions Forever!

For Teachers 5th - 8th
Middle schoolers identify proper, improper fractions, and mixed numbers.  They reduce fractions to their lowest terms. They add and subtract fractions with different denominators, and multiply and divide fractions, as well as...
Activity
Illustrative Mathematics

Mixed Numbers with Unlike Denominators

For Teachers 5th Standards
There is more than one way to add mixed numbers. This learning exercise asks 5th graders to find and record two ways. The purpose is to help pupils realize there are different ways to reach a common solution in math. The two most common...
Worksheet
Curated OER

Decimal Addition

For Students 4th - 6th
Practice adding decimals by completing 26 practice problems. Scholars examine two examples before trying these on their own. They add two and three-digit numbers with decimals, regrouping when needed. Not all numbers have decimals, but...
Worksheet
Math Worksheets Land

Area of Rectangles in Word Problems - Matching Worksheet

For Teachers 3rd - 5th Standards
Using just the measurements of ten rectangles, scholars match them to their calculated areas. Each of these is measured in feet, so the areas are labeled with square feet. The lengths and widths here are double and triple-digit whole...
Worksheet
Curated OER

Addition Drills, part 2

For Students 1st - 3rd Standards
Add them up! Scholars add up double-digit addends to find sums for 32 equations. There are three examples learners can reference if needed, and they have to regroup for many of these. The equations aren't numbered, so consider doing this...
Worksheet
Curated OER

Everyday Problems with Decimals

For Students 3rd - 5th Standards
Review word problems and decimals with a worksheet that features everyday problems for your students to solve. Six problems provide space for both work and the solution, reinforcing the importance of showing one's work in word problems....
Assessment
CCSS Math Activities

Smarter Balanced Sample Items: 7th Grade Math – Claim 3

For Teachers 7th Standards
Does the explanation make sense? Sample items highlight claim three, communicating reason, in the Smarter Balanced assessments. Teachers use the 16 items to help show pupils the importance of communication and reasoning within...
Worksheet
Curated OER

Count on Whole Tens

For Students 3rd - 4th
In this counting worksheet, students complete a set of 5 problems, adding a "whole ten" number to a 3-digit number, then complete 6 additional problems, adding 90 to given numbers.
Worksheet
Curated OER

Decimals With A Total of 10

For Students 4th - 5th
In this decimal worksheet, students subtract decimal numbers from 10, determine what needs to be added to a given decimal to make 10, decrease numbers by given amounts and determine "how many more" to add.
Worksheet
Curated OER

Count Numbers and Write Down Answers

For Students Pre-K - K
In this beginning addition worksheet, students use picture clues to add numbers below ten. Students count the objects in each set, add them and write the answer, which will be below ten.
Worksheet
Curated OER

Math in English Skills I Exercise Book: Addition and Subtraction

For Students 1st - 6th
Whether your pupils need extra help or they simply need to practice their basic computation skills, this packet will do the trick. It includes a written rationale, answer key, and over 10 pages of double-digit addition and subtraction...
Lesson Plan
National Wildlife Federation

Wherefore Art Thou, Albedo?

For Teachers 9th - 12th Standards
In the sixth lesson in a series of 21, scholars use NASA data to graph and interpret albedo seasonally and over the course of multiple years. This allows learners to compare albedo trends to changes in sea ice with connections to the...
Worksheet
Curated OER

Add and Subtract Decimal Hundredths (C)

For Students 4th - 5th
In this decimal numbers worksheet, students solve 50 problems in which decimal numbers to the hundredths place are added or subtracted. Problems may need to be rewritten on another paper.
Worksheet
Curated OER

Adding Tens

For Students 3rd - 5th
In this addition worksheet, students add the number ten to twenty-two other numbers and then put each one in a number format to symbolize an actual math problem.
Worksheet
Curated OER

Addition Sums Super Facts 4

For Students 1st - 3rd
In this addition worksheet, learners solve 36 addition problems dealing with a variety of single and double digit numbers (addends 1 to 10).
Worksheet
Curated OER

Adding Machines

For Students K - 1st
Turn your first graders into adding machines! This is a fun way to practice single-digit addition, and scholars complete 25 equations. Each machine has a function; five numbers go into the machine, are added to, and emerge on the other...
Worksheet
Curated OER

Adding with Andy

For Students 2nd - 3rd
A nicely-designed six-page packet of addition worksheets is here for you. Actually, it's a four-page packet. The final two pages are the answer keys. All 96 problems are one-digit addition problems and should provide good practice for...
Worksheet
Maths Blog

Adding/Subtracting Whole Numbers in Your Head

For Students 2nd - 3rd Standards
Exercise those mental math muscles! This worksheet contains 10 addition and 10 subtraction problems which require learners to compute sums or differences in their heads. A quick review at the top of the page provides a strategy based on...
Worksheet
Curated OER

Add or Subtract (up to 50)

For Students 2nd - 3rd Standards
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
Worksheet
Curated OER

Choose the Operation: Plus or minus (up to 100)

For Students 2nd - 4th Standards
Investigate the relationship between addition and subtraction as scholars fill in these number sentences, each of which is missing a symbol. Is it a subtraction or addition equation? There are 20 of these to start, all written...
Lesson Plan
Houghton Mifflin Harcourt

Addition and Subtraction Facts to 20

For Teachers K - 2nd Standards
First graders act out number stories from number cards. In order to learn about addition and subtraction up to 20 lesson, learners become the manipulatives and line up to show the number stories.
Worksheet
Curated OER

Counting Dice

For Students Pre-K - 1st
Using dice is a great way to practice addition in this simple worksheet. Young learners examine three rolls of two dice each. They add the values of each die, writing an addition problem with an answer. There is an example for them to...
Lesson Plan
EngageNY

The Structure of Ratio Tables—Additive and Multiplicative

For Teachers 6th Standards
Build tables by understanding their structure. Scholars take a closer look at the structure of ratio tables in the 10th segment in a 29-part series. Individuals realize that the tables can be built using an additive or...
Worksheet
DK Publishing

Mentally Adding and Subtracting

For Students 1st - 2nd Standards
If you're looking for basic practice problems for youngsters learning addition and subtraction skills, look no further! Scholars solve 30 equations by filling in a missing addend, subtrahend, or minuend in these horizontally-aligned...