Curated OER
Add and Subtract within 1000
Solve these true equations; scholars examine three-digit addends, subtrahends, and minuends in these equations that are each missing one number. There is a list of possible answers to choose from, so decide whether or not you want to...
Curated OER
Add or Subtract Whole Numbers Up to 1000
Elementary schoolers solve practice problems on the board and are shown how to line up the numbers for addition. They solve various addition problems in small groups. Everyone continues the same process for solving subtraction problems.
Curriculum Corner
Second Grade Summer Math Practice Book
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...
Curated OER
Completing the Next Hundred
In this hundreds worksheet, students fill in the missing addend and complete the hundred numbers at the end of the problems. Students complete 3 sets of problems.
Curated OER
The Hundreds Board
Students explore the concept of multiples and use a hundreds board to add numbers and then graph them. Afterward, they use the sieve of Eratosthenes to identify prime numbers and discover how numbers change when you add or subtract by ten.
Curated OER
Numbers Through 1000
In this numbers through 1000 practice instructional activity, learners sharpen their problem solving skills as they solve 6 story problems that require them to use number models to add and subtract.
Math Doctor
Chapter 5: Decimal Notation
Explore all things decimal in this thorough series of introduction activities. Including scripting for the teacher and detailed descriptions and examples, the plan begins by reviewing the basics of place value and writing fractions as...
Curated OER
Simplifying Radicals
In this algebra worksheet students find the root and simplify 20 radical expressions. Students use the product and quotient rules to simplify 27 radical expressions. They add or subtract radicals on 13 problems.
Curated OER
4-Digit Problem Solving: Add and Subtract
In this problem solving worksheet, students solve a total of 7 equations, drawing models and using algorithm. A reference web site for additional activities is given.
Curated OER
The Number System
Students explore how to multiply and divide by 10, 100, and 1000. For this computation lesson, students participate in an online activity using the interactive whiteboard. Students generate sums by using dice.
Curated OER
Enjoying Millions- Working with Millions
In this working with millions worksheet, 4th graders look for patterns when working with millions, and use mental math to determine a number. They add and subtract numbers from a number in the millions before using a set of clues to...
Curated OER
Decimal Fractions With a Calculator
In this decimal fractions worksheet, students read about using the multiply or divide keys of a calculator to change decimal fractions, then use the add or subtract keys to complete a different set of problems.
Curated OER
Solving Word Problems with Fish
Send your class fishing...for the right answers! Small groups collaborate to create math word problems based on the fish in their classroom aquarium or on the aquarium itself. After all groups determine the answer for their ownproblem,...
Curated OER
Numbers and Operations as Words
Teach numbers in word form with this activity. In this numbers and operations activity, learners solve 22 problems in which numbers are written in word form. Students solve the problems and write their responses in word form. Example:...
Curated OER
Order of Operations - Add/Subtract
In this order of operations worksheet, students complete addition and subtraction problems with parenthesis and 3 and 4 digit numbers. Students complete 9 problems.
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...
Curated OER
Mountain Math Worksheet
In this number sense worksheet, 5th graders solve 37 problems based on a given number. Students are asked to round the number, identify the number as even or odd and add 100 to the number.
Helping with Math
Subtraction : 3-digit - 3-digit
In this subtraction worksheet, math wizards subtract three-digit numbers from different three-digit numbers. Some of the 24 problems require regrouping.
For the Teachers
$1 Math
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate simple sums.
Armory Center for the Arts
Place Value Collage
How can art represent math? Use a lesson on place value collages to illustrate the different meanings that numbers have in their designated places. Kids observe photographs and paintings that show place value, then work on their own.
Curated OER
Food Pyramid Power: Looking Back and Moving Forward
Students show their knowledge of properties of objects as it pertains to sorting and creating patterns. In this food pyramid power instructional activity, students show their ability to use whole numbers in different representations by...
Alabama Learning Exchange
Fun with Problem Solving
Using a varity of strategies, young mathematicians solve multistep word problems. They play a logic game as a whole group, and then work with a partner on a computer to complete a worksheet that requires a variety of problem solving...
Curated OER
Combining Foods
Students explore addition. In this math lesson, students discover how addition and subtraction are related. Students model related addition and subtraction facts.
Pennsylvania Department of Education
Practice Makes Perfect
Students study fact families. In this math lesson, students use fact families to play a game of concentration. Students identify subtraction facts they need to learn.