App
Key Stage Fun

Squeebles Addition & Subtraction

For Students K - 3rd Standards
The math monster is at it again, this time stealing all the cars and drivers that were to take part in the cart race. If their addition and subtraction facts are up to the challenge, young mathematicians can win the drivers' freedom...
Worksheet
Curated OER

Adding Ten

For Students 1st
In this addition worksheet, 1st graders practice adding 10 to single digit numbers to find the sums in 14 horizontal problems. They work on a page that is decorated with a clip art bunny and duck.
Worksheet
Curated OER

Adding Ten

For Students K - 1st
In this addition worksheet, students practice adding 10 to single digit numbers to find the sums in 14 horizontal problems. They work on a page that is decorated with a photographs of a duck and a bird.
Worksheet
Curated OER

Add One-Digit Numbers to Two-Digit Numbers

For Students 2nd - 3rd
In this addition with carrying activity, students solve 7 problems in which two digit numbers are added to single digit numbers with carrying.
Worksheet
Curated OER

Add Two-Digit Numbers

For Students K - 2nd
For this addition worksheet, students practice adding 9 two-digit addition math problems involving tens, ones and regrouping. Students solve the answer to 1 test prep question and fill in the circle for the correct answer from a multiple...
Worksheet
Curated OER

Addition Up To 10: Speed Race 3 And 4

For Students 1st
In this addition worksheet, 1st graders complete 2 sets ten one digit addition problems in a speed race. This worksheet is meant to be a timed addition to 18 worksheet.
Worksheet
Curated OER

Addition Up To 10 Speed Race 5 And 6

For Students 1st
For this addition to 18 worksheet, 1st graders complete two sets of ten addition to 18 problems. This is meant to be a timed addition worksheet.
PPT
Curated OER

Pairs That Make Ten

For Teachers 1st - 2nd
A very basic presentation on numbers that add up to ten. Learners are shown a number on a slide, and they must come up with the addend that will make a sum of 10 when they are added together. Not the greatest presentation in the world,...
Worksheet
Curated OER

Whole Number Addition Level 10

For Students 2nd - 3rd
In this math worksheet, students practice adding numbers with three digits. The skill of carrying is practiced and the instructions are given at the top of the page.
Lesson Plan
Curated OER

Positive and Negative Numbers

For Teachers 6th - 9th
Pupils use blocks and markers to illustrate the processes of adding, subtracting, multiplying and dividing integers. In this mathematics lesson, learners use Algebra blocks to demonstrate multiplying polynomials.
Organizer
Curated OER

Number Line Circles

For Students Pre-K - 1st
In this number line worksheet, students use a number line between with dots above each number to practice counting or adding numbers 1 through 10.  Odd numbered dots are colored red.
Worksheet
Curated OER

Subtracting From a Multiple of 10

For Students 2nd
In this subtraction worksheet, 2nd graders are instructed how to subtract two digit numbers from multiples of 10 by counting on. There are two pages with 10 problems on each page.
Worksheet
Curated OER

Bonding

For Students 9th - 12th
In this bonding activity, students read about the octet rule in bonding, ion notation, ionic bonds, covalent bonds and oxidation numbers. Students write 2 ion notations, they determine if 8 sets of ions will make compounds, they draw 2...
Worksheet
Curated OER

1 Less or 1 More

For Students 1st - 2nd Standards
Complete these images with values one less and one more; young mathematicians fill in bunches of flowers, starting at a middle number and working their way to the right by addition and to the left by subtraction. For each flower they...
Worksheet
Curated OER

Subtraction Word Problems #1

For Teachers 2nd - 3rd Standards
Practice subtraction skills and word problem strategies with your second graders. After reviewing the example at the top of the page, learners solve 14 word problems involving subtraction. A great way to practice mental math!
Lesson Plan
Illustrative Mathematics

“One More” Concentration

For Teachers K Standards
Help your primary learners develop an understanding of the concept of one more and one less using two sets of number cards. The first set of cards, all in one color, is the "one less" deck. The second set, again all in one specific...
Worksheet
Curated OER

Identifying Patterns

For Students 4th
Although this fractions exercise may seem difficult at first, it's really quite simple and intended for beginners to mixed numbers. Scholars complete 15 number sequences by adding two or three mixed numbers or decimal numbers. However,...
PPT
Curated OER

Fraction Lesson 6

For Teachers 3rd - 5th
Kids learn how to add fractions that have a common denominator. They go over both the correct and incorrect way to add fractions together, discuss which way is wrong and which is right, then complete a series of practice problems. Mixed...
Lesson Plan
Curated OER

Putting the Pieces Together

For Teachers 4th - 5th
Children explore fractions on a conceptual level by making individual quilt squares. Each student works with small paper swatches to divide them into pieces that represent a given fraction. The class is then separated into groups and...
Lesson Plan
Lesson This!

Fraction Fruit

For Teachers 3rd - 5th Standards
Discover the concept of fractions by using fruit as a model. Scholars discover fractions are part of a whole, similar to the pieces of fruit which are placed in front of them. They then cut up several different types of fruit and discuss...
Worksheet
Curated OER

Addition Drills, part 5

For Students 2nd - 3rd Standards
Show scholars that if they can add up two addends, they can also add up three. Review the examples together before letting scholars try these 25 addition problems, each with three double or single-digit addends. Two of these add up to...
Worksheet
DK Publishing

Addition Practice #2

For Students 2nd - 3rd Standards
Encourage young scholars to tap into their inner math-whiz as they add three and four-addend equations. The first 36 problems each have three addends (none over two-digit), and are written horizontally. Next, they complete eight more...
Worksheet
Curated OER

Working with 10s and 1s, Part 2

For Students K - 2nd Standards
Practice place value by visualizing 10s and 1s. First graders count the cubes in each place, then write the total number at the bottom. In one particularly helpful section, they draw the cubes that will add up to a given number. Bring in...
Worksheet
Curated OER

Fractions

For Students 3rd - 5th
Give mathematicians 39 chances to practice adding fractions, most of which involve mixed numbers. There are three examples to get them started, and scholars should be encouraged to reduce answers when necessary. Not for beginners, these...