Royal Society of Chemistry
The Treatment of Oil Spills—Microscale Chemistry
When oil spills happen, how is the oil cleaned up? Pupils of polymer science discover an amazing substance that turns oil into a solid during a microscale experiment. Individuals observe oil or paraffin before and after addition of the...
Curated OER
Jellyfish Jumble
In this subtraction equations worksheet, learners solve 8 problems in which 3 numbers inside a jellyfish shape are arranged to make a subtraction equation. Students solve and check by adding.
Curated OER
Adding And Subtracting Decimals
In this adding and subtracting decimals worksheet, students, with a partner, problem solve and calculate the answers to ten addition and subtraction equations or word problems.
Curated OER
Mental Arithmetic - Adding to Thousands
In this addition activity, 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...
Curated OER
Ten Multiple-Choice Rate, Ratio, and Proportion Problems
In this rate, ratio, and proportion worksheet, 7th graders solve ten multiple-choice problems. The solutions are provided by clicking on the "show answers" on the bottom of the page.
Curated OER
Making 10
In this making 10 worksheet, students use a set of 6 cards with numbers printed on them to make 10 as many ways as possible. A reference website resource is given.
Curated OER
Thanksgiving Addition: Worksheet 10
Find the sum of the nineteen addition problems on this Thanksgiving-themed worksheet. Your class will practice adding two 2-digit numbers with regrouping. There is also one word problem to be solved.
Curated OER
Sets Of
Represent multiplication as sets of items for beginners to this concept. They look at six familiar object sets and determine the total number of legs by counting the sets. There is some scaffolding here, as the first is done for them and...
Curated OER
Working with Coins #2
Practice money math with a helpful worksheet. Illustrations of coins, along with word problems, keep second graders focused on adding and subtracting different amounts of money. An excellent homework assignment to reinforce your money...
Public Schools of North Carolina
Math Stars: A Problem-Solving Newsletter Grade 3
Make sure your class stays up with the times using this series of math newsletters. Including word problems that cover topics ranging from consumer math and symmetry to graphing and probability, these worksheets are a...
Curriculum Corner
Ice Cream Booklet
On the days leading up to summer, use a booklet of practice skill sheets in the classroom. Beginner pupils should be able to master the skills they've learned in math and reading before they head home for the summer, like counting to 30,...
EngageNY
Estimating Digits in a Quotient
Boiling down any division problem to a one-digit divisor problem sure makes estimation easy. The lesson shows how to estimate division problems by using place value understanding and basic arithmetic facts to simplify the division. Some...
Curated OER
What Number, Which Added to 100 and 164 Make Them Perfect Squares?
In this perfect squares activity, students solve to find the numbers, which added to 100 and 164 make them perfect squares. The solutions are provided.
Curated OER
Decimals With A Total of 10
For 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.
EngageNY
The Structure of Ratio Tables—Additive and Multiplicative
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...
Curated OER
Fractions
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...
K12 Reader
Alliteration: It’s a Zany Zoo!
Elephants eat and cheetahs chase in this zany zoo! Kids survey a list of ten animals before adding in an adjective and verb for each to form an alliterative phrase or sentence.
DK Publishing
Numbers 1 to 20
Practice writing numbers with fun kites. Kindergartners will rise to the highest height as they match the numbers to their correct written forms: 11 to eleven, 14 to fourteen, etc. Use this resource as a class activity or as a review...
Curated OER
What Must Be Added?- Mental Math
In this mental math worksheet, 4th graders determine what needs to be added to each number to make the given sum using mental math. They work with multiples of 100 and 1000.
Curated OER
What Must be Added?
In this addition activity, students write in the number that makes the addition operation correct. For example, they are asked what must be added to 555 to make 600. There are 15 questions on this page and the answers are on the second...
Curated OER
Four + One = Five
For this algebra worksheet, students decipher a cryptarithm to make an addition problem. They have to figure out what digit each letter represent to be able to solve this problem. There is an answer key with this problem.
Curated OER
Using 10 to Add 7, 8, and 9
In this using ten to add to seven, eight and nine worksheet, students, working with a partner, practice adding various numbers to the number ten for mastery.
Curated OER
Addition: Getting To Ten Then Adding The Rest
In this addition worksheet, students first write the 2 numbers in an addition problem that add up to 10, then write the answer by adding 1 additional number to 10.
California Education Partners
Summer Olympics
Quickly get to the decimal point. The last assessment in a nine-part series requires scholars to work with decimals. Pupils compare the race times of several athletes and calculate how much they have improved over time. During the second...