Scholastic
Study Jams! Estimate Sums & Differences of Whole Numbers
Estimating is an essential skill used in everyday life. This presentation explains how to apply prior knowledge about rounding numbers to estimating sums and differences. Example problems and assessment include large numbers, making this...
Curated OER
Two-Digit Plus One-Digit Addition (A)
In this math worksheet, young scholars solve 100 problems in which 2 digits are added to one digit numbers. Example: 44 + 9. Problems are written in a vertical format and are closely spaced.
Curated OER
Counting Practice up to Ten
For this early addition practice worksheet, students use their counting skills to solve 5 problems that require them to count math counters in boxes adding them together.
Curated OER
Add Hundreds
Learners use the basic facts in 6 word problems to help them add hundreds. They use base ten blocks to model and assist them with their addition.
Curated OER
Subtraction
In this subtraction worksheet, students base ten blocks and square unit blocks to solve the subtraction problems. Students solve 5 problems.
Curated OER
Two Digit Addition with Regrouping
Students explore the concept of "regrouping." For this 2-digit addition with regrouping lesson, students create visual representations of combinations that equal ten using a tens frame. Students use manipulatives to represent the tens...
Curated OER
Addition - No Regrouping
In this addition learning exercise, 3rd graders solve 30 addition problems with no regrouping. The problems all go up to the ten--thousandths place.
Collaborative Learning Project
Four in a Row Addition and Subtraction
Scroll down to find four fun addition and subtraction partner game boards, complete with endless opportunities for practice with numbers 0-38. Kids choose numbers from a number box and, depending on the game, either find the sum or the...
Illustrative Mathematics
Shake and Spill
Entertaining as well as educational, this math activity about decomposing numbers is bound to capture the engagement of young learners. Given a cup and five two-color counters, young mathematicians simply shake and spill the cup,...
Illustrative Mathematics
Christina's Candies
Help Christina figure out how many chocolate and lemon candies she has with a lesson on decomposing numbers. When presenting this context to the class, the teacher chooses the total number of candies and the number that are chocolate,...
Mathematics Vision Project
Circles: A Geometric Perspective
Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...
Orange County Public Schools
Vocabulary #25 Worksheet – English 1
Practice ten vocabulary words with a series of critical thinking activities. After reviewing each word in context and matching them to their definitions, kids complete analogies and find antonyms to complete the assignment.
Education Development Center
Geography of the Number Line
It's more than just numbers on a line, its an organizational, mental math machine to help learners understand the value of numbers. The tool is handy when introducing positive and negative integers to see their values and...
Illustrative Mathematics
Double Plus One
Practice doubling with a straightforward worksheet. Learners double plus one each number in the table, and then answer a series of hypothetical math equations.
Laboratory for Atmospheric and Space Physics
Growing Up With A Mission
New Horizons began its journey to Pluto in 2006. Ten years later, it continues its mission. In that time, scholars have surely grown, but how much more will they grow by the time New Horizons reaches its destination? Find out with an...
Curated OER
Writing Short Stories: The Fun Way
Do your young authors suffer from writer's block when they try to write short stories? Access their natural creativity with C-Gor, the writing monster! The instructional activity takes aspiring authors through a new writing process...
Curated OER
Practicing Addition Strategies
For this math worksheet, students add the numbers 5 and 6 using two different methods. They first count up from six. Students say seven, eight, nine, ten, eleven to get to their answer. The second method is to use doubles. They think...
Curated OER
Five Minute Adding Frenzy (A)
In this five minute adding frenzy worksheet, students problem solve one hundred addition equations within five minutes by writing the sum of the column and row numbers in each space.
Curated OER
Valentine's Day Chocolates Mystery- Sums to 198 (D)
You can find love anywhere, even in a math activity! Second graders solve 27 problems in which they add 2 digit numbers to 2 digit numbers with and without carrying. When they are finished, they use their answers to solve a...
Curated OER
Using Addition and Subtraction to Solve Problems II
In this addition and subtraction problem solving instructional activity, 3rd graders use addition and subtraction skills to answer ten multiple choice word problems.
Curated OER
Add and Subtract Decimal Ten Thousandths (J)
In this addition and subtraction worksheet, students find the sums of whole numbers with decimals in the ten thousandths place value. Students solve 32 problems.
Curated OER
Addition
Explore the concept of number bonds with your young elementary students. They will become familiar with the number bonds to 10, 20, and 100, and then play games to practice these skills. This is a differentiated lesson plan which...
Curated OER
Three digit numbers
In this three digit numbers worksheet, students answer multiple choice questions about three digit numbers in standard form, word form, place value, and more. Students complete 10 questions.
Curated OER
Fun Math 67
In this finding the sums worksheet, students add one-digit plus one-digit numbers on a page with fun clip art next to each problem. Students solve 15 problems.