Interactive
Curated OER

Subtracting Large Numbers With Decimals

For Students 5th
In this subtracting large numbers with decimals worksheet, 5th graders solve 10 subtraction problems with decimals and 4 to 7 digit numbers in multiple choice format, answers can be shown online.
Worksheet
Curated OER

Adding two numbers

For Students Pre-K - K
For this addition worksheet, students complete 4 problems where they have to add two single digit numbers less than 10 together to find the sum. 
Worksheet
Curated OER

Adding: Single Digit

For Students K - 1st
In this addition worksheet, students add numerals one to seven. In this matching worksheet, students match four equations to their sums.
Worksheet
Raytheon

Adding and Subtracting Decimals

For Students 5th - 7th
For this adding and subtracting decimals instructional activity, students add and subtract numbers with decimals in word problems. Students complete 12 word problems.
Lesson Plan
West Contra Costa Unified School District

Divisibility Rules Justified

For Teachers 6th - 8th
How do you know if a number is divisible? Instructors first prove the divisibility rules for three and four and then class members use this modeling to prove given divisibility rules for eight and nine either individually or in...
Worksheet
Curated OER

Adding Dice

For Students 1st - 2nd
Roll the dice! These addition number sentences are for beginning mathematicians, and each addend is displayed on a die. Learners add up two or three single-digit addends to find eight sums in the first half of this worksheet. Next, they...
Worksheet
Curated OER

Making 100 By Adding

For Students 1st - 3rd
In this addition activity, students create number problems that equal 100. In this fill in the blank activity, students generate ten addition problems.
Worksheet
Curated OER

Horizontal Three Digit Place Value Addition

For Students 2nd - 3rd
In this addition practice worksheet, students solve 16 problems that require them to add using 3 addends. The addends include a 3-digit number, 2-digit number, and 1-digit number.
Worksheet
Curated OER

Number Bonds: 1-Digit Addition

For Students 2nd - 3rd
In this 1-digit addition worksheet, students fill in blanks and circles, making number bonds and solving addition problems, match numbers to make given sums and complete 2 number puzlzles.
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

Vertical Addition with Regrouping

For Students 3rd - 5th
For this addition review worksheet, students use their math skills to solve 80 problems that require them to add 3 or 4 digit numbers to 2 digit numbers.
Worksheet
Curated OER

Finding Missing Sums and Addends

For Students 3rd - 4th
In this sums/addends activity, students find missing sums and addends in a set of 20 problems. Problems add 1 and 2-digit numbers. Answers included on page 2.
Worksheet
Curated OER

Add 29, 39, 49 To Any 2-Digit Number

For Students 4th - 5th
In this addition worksheet, students solve 18 problems in which the number 29, 39, or 49 is added to a two digit number. There are no hints or examples. Problems are in horizontal format for mental math.
Worksheet
Curated OER

Math Review

For Students 2nd - 3rd
For this review of math skills worksheet, students determine elapsed time in minutes, compare two-digit numerals, add values of money, identify an addition property and a solid figure. Students solve five problems.
Lesson Plan
Curated OER

Mystery Math

For Teachers 6th - 8th
Here is an interesting "trick" your young mathematicians can perform. They are taught how to find any number's "digital root," by following a set of detailed instructions. The process works for any number, and is the type of math puzzle...
Worksheet
Curated OER

Add and Subtract within 20 - Guided Lesson Explanation

For Students 2nd
Provide second graders with an explanation for how to find the total value of numbers written in a series of boxes.. The resource provides answers and explanations for problems on a referenced instructional activity that is not included.
Worksheet
Curated OER

Math Practice Series Worksheet #3

For Students 1st
In this mathematics worksheet, 1st graders solve numerous addition problems by adding single and two-digit numbers to each other. There are 36 problems to solve on the sheet.
Worksheet
Curated OER

Change a Digit

For Students 2nd
In this tens and ones worksheet, 2nd graders add 4 math problems together and write the sums using 10s and 1s models as shown. Students change a digit in 2 math problems from 1 number to another number in the blanks provided.
Organizer
Curriculum Corner

Second Grade Summer Math Practice Book

For Students 1st - 3rd Standards
Stop the summer lag with a set of second grade Common Core based math practice sheets. Learners fill in hundreds charts with missing numbers up to 1,000. They practice writing numbers in standard, expanded, and word form. Children also...
Assessment
1
1
Balanced Assessment

Number Trick

For Students 9th - 12th Standards
Show your classes the magic of numbers. Using a number trick, learners practice writing algebraic expressions. They then use their expression to perform the trick. Their exploration should help them understand the magic behind the trick.
Lesson Plan
Curated OER

Primary Understanding and Use of Place Value

For Teachers 3rd - 4th
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
Worksheet
National Security Agency

Go One-on-One with Decimals

For Students 4th - 5th Standards
Shoot and score with three basketball-themed lessons about decimals. Young mathematicians compare game statistics, make trash can hoops, and play a data spinner game to practice identifying digits and values within decimal numbers.
Lesson Plan
Curated OER

Multiplication and Areas

For Teachers 3rd - 5th
Upper graders solve problems involving measurement of squares and rectangles to practice multiplication skills, finding area, and calculating prices and percentages. A performance assessment is included.
Lesson Plan
Google

Art: Paint with Tera

For Teachers 5th - 9th
Here's a creative resource that definitely isn't paint by numbers. As the fourth in and eight-part Art series, learners create a paint program using the Scratch block code. By completing the activity, class members come to understand the...