Under the Dome
Triangle Mystery ...
Build a pyramid based on sums. Individuals watch a video of a computer program that creates a pyramid of numbers based upon a starting number. The scholars develop a hypothesis on how the number trick works and share their thoughts on...
Arcademics
Kitten Match
An engaging learning game tests scholars' knowledge of how to make a number using addition. Several players race to pick two numbers that add up to a given sum.
SEN Teacher
Arithmetic Maker
With endless possibilities, you can create custom flashcards to take to class as easy as 1, 2, 3! Let this flashcard creator do the work for you, just chose the level of difficulty, add or subtract, and the number of place values. Each...
Scholastic
Study Jams! + and - Without Regrouping
Addition and subtraction are essential skills for all young mathematicians. Explain the step-by-step process with respect to place value using these real-world examples. Focus is on numbers in the tens, hundreds, and thousands, making...
Curated OER
TI-82 PROFICIENCY
Young scholars find the proper factors for numbers one through fifty using either the divisibility laws or TI-82. They determine the sum of the proper factors for each number. If the sum of the factors is less than the number itself,...
PBS
Remove One
With a set of 15 chips and a number line, learners predict what sums may occur with the rolling of two dice. When their sum comes up, they remove one of the chips from their number line with the objective of being the first to remove...
Illustrative Mathematics
Operations with Rational and Irrational Numbers
Learners complete addition and multiplication tables that include rational and irrational numbers. They also answer a series of questions about the sums and products of irrational and rational numbers. One suggested modification would be...
Curated OER
Least Squares
In this least squares worksheet, students solve 6 different problems that include the least squares of numbers. First, they plot 3 points on the axes shown and draw in their best approximating line. Then, students estimate the slope and...
Curated OER
Countdown Challenge: Tricks for Finding Multiples of 3 and 4
In this tricks for finding multiples worksheet, students explore rules of divisibility. They compute the sum of the digits to determine if a number is divisible by three. Additionally, students identify the last two digits of a number to...
Curated OER
Adding: Written Questions
Sometimes, written addition problems can confuse students. In this addition worksheet, students find sums for 10 written questions such as: "Find the sum of 30 and 50."
Curated OER
Butterfly Addition: Color by Numbers
Children learning to add numbers up to 11 develop the strategy of using the larger number as the first addend and counting on from there to find a sum. They define addition and review the meaning of the plus (+) symbol. To practice, they...
Curated OER
Operations on Polynomials
Students simplify and reduce polynomials. In this algebra lesson, students find the sum, difference, product and quotient of polynomials and monomials. They use the order of operation correctly.
Curated OER
Ring Toss Math
Young mathematicians play Ring Toss Math to find sums and differences to 18. If you're looking for an engaging, in-class game to help reinforce these mathematical concepts, this lesson could be for you!
Curated OER
Math Worksheets - Magic Squares
In this magic squares worksheet, pupils find the magic number in each of the 4 magic squares. Each of the magic squares is completely filled so that students only have to find the common sum in each puzzle.
Curated OER
Book Title: One is a Snail, Ten is a Crab
Students read a story and write math problems. In this reading and math comprehension instructional activity, students preview and read the book "One is a Snail, Ten is a Crab". Students predict ways to get a sum of 11, write math...
Ohio Resource Center
Egyptian Fractions
What is an Egyptian Fraction? Print this sheet as a bell-ringer activity. Budding mathematicians solve three short answer problems. They write three fractions as unit fractions so that the numerator is one and the sum is equal to the...
Curated OER
More Addition
Turn your mathematicians into addition superstars with these multiple-addend equations. They add up three, four, and five-digit numbers to find the sums, a few of which are six-digit numbers. The twelve vertically aligned equations...
Illustrative Mathematics
Egyptian Fractions II
The Egyptians used unit fractions to describe all other fractions. Your class will rewrite rational expressions in order to deduce information about rational numbers. The activity starts with specific fractions, guides you through a few...
Curated OER
Excel Lesson
Fifth graders will perform exercises and write the number of each exercise performed on the collection data sheet. They survey eight of their classmates for their exercise data and write that data on the collection data sheet. They then...
Curated OER
Triangle Inequality
Students discover that the sum of the lengths of any two sides of a triangle must be greater than the third side. They are shown how a triangle is formed using three strips such as that the triangle is seen inside the strips.
Curated OER
Worksheet 24 Spring 1996
In this math worksheet, young scholars find all the vectors in three dimensional space that have the length of 4. Also, the first and third components are the same. Finally, the second component is the sum of the first and third components.
Curated OER
7th Grade Math Worksheet
In this integers worksheet, 7th graders solve 10 different problems that include various types of integers and graphs. First, they determine the sum of 3 consecutive integers. Then, students find the ratio between 2 areas of similar...
Curated OER
Decimals - Mid Chapter Quiz
Here is a decimals worksheet in which learners complete a quiz asking about least to greatest, standard form, sums, and more having to do with decimals. They complete eight problems.
Curated OER
Numbers and Operations
For this counting worksheet, students count the fruit on each of the trees and then write the sum. Students complete 4 problems total.
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