Curated OER
Complex Numbers and Operations
In this algebra worksheet, learners add, subtract and multiply using complex numbers. They apply the correct property of i as they solve. There are ten questions with an answer key.
Curated OER
Comparing 3 Digit Numbers
Comparing number value is an important skill and can become more complicated once scholars are dealing with three-digit numbers. For 10 pairs of numbers, scholars fill in a box between them with the greater than, less than, or equal to...
Curated OER
Add Three Numbers - Leveled Problem Solving
There are many ways to add. Learners add 3 single digit number together to find an answer to each of the 6 word problems. A great worksheet that builds problem solving and basic addition skills.
Curated OER
Use Estimation to Compare Numbers
"Take a walk" with this instructional activity and estimate how many birds, ants, turtles, flowers and children getting on a bus that you see. Based on the size of a single set of 10 objects, learners estimate how many are in the whole...
Illustrative Mathematics
Assessing Writing Numbers
Can I say a number by its name, and can you write it for me? Working in small groups or with the whole class, give your kindergartners a piece of 1-inch graph paper and have them write numbers 0 to 10 and 11 to 20. Next, pass out blank...
Curated OER
Hands On: Divide 2-Digit Numbers
In this division activity, 4th graders solve 6 story problems in which two digit numbers are divided by single digit divisors.
Curated OER
Quiz: Rounding Whole Numbers
Learners complete a 20 question quiz, rounding whole numbers to the nearest ten thousand, then rounding to an underlined place in given digits. Answers included on page 2.
Curated OER
Practice Masters Level B: 2.4 Multiplying and Dividing Real Numbers
In this multiplying and dividing worksheet, students multiply and divide real numbers. They substitute given values into equations and evaluate expressions. This one-page worksheet contains 42 multi-step problems.
Rational Number Project
Initial Fraction Ideas: Lesson 3
Visual models support young mathematicians as they deepen their fractional number sense in this elementary math lesson. Using fraction circle manipulatives, children explore basic unit fractions as they develop the fundamental...
Curated OER
Counting, Properties of Numbers, and Reasoning about Numbers
Five days of lessons develop number sense and counting patterns, including odd and even numbers, 5s and 10s, doubles, and ways to make 10. Each session opens with fun finger play to reinforce counting and reasoning about numbers. Various...
EngageNY
Complex Numbers as Vectors
Show your math class how to use vectors in adding complex numbers. Vectors represent complex numbers as opposed to points in the coordinate plane. The class uses the geometric representation to add and subtract complex numbers and...
Curated OER
Number Line: Negative Numbers
In this graphing calculator worksheet for the TI-83 calculator, students first observe a demonstration for calculating negative numbers. Next, students use their graphing calculator to answer 6 thoughtful T/F and short answer...
Thomson Brooks-Core
Complex Numbers
A straightforward approach to teaching complex numbers, this lesson addresses the concepts of complex numbers, polar coordinates, Euler's formula, De moivres Theorem, and more. It includes a practice problems set with odd answers and a...
Alabama Learning Exchange
Converting Numbers from Base 10 to Binary, Octal, and Hexadecimal
How many different ways can you write the same number? Learners experiment with writing numbers using different bases. They progress from base 10 to base two, eight, and six.
Curated OER
Naming Binary Compounds
In this naming binary compounds learning exercise, high schoolers are given 8 pairs of ions and they identify their oxidation numbers, their formula when the combine and the name of the compound. They are given 8 formulas and they...
Curated OER
Numbers 1-10
In this numbers worksheet, students color in 10 number pictures. Students fill in the missing numbers from 1-10. Students also point to the numbers 1-20 as they count.
Curated OER
Whole Numbers, Fractions, and Decimals
Elementary and middle schoolers participate in an assignment to explore the concept of division and having a remainder. They also practice division problems using decimals and fractions without a remainder.
Curated OER
Number Lines and Whole Numbers
Number lines are a great way to help scholars grasp basic addition when it's still a new concept. This activity offers them 10 chances to practice this association. The first five have an addition equation and a number line; learners...
Itsy Bitsy Fun
Halloween Color By Numbers
Bring some Halloween math to the class for a spooktacular addition to your instruction. Here, scholars color by number to uncover four spooky scenes including a pumpkin, a bat flying across the moon, haunted trees, and a cat.
Software Smoothie
Imagination Box - Colors, Shapes, Numbers and Letters
This app provides young learners with opportunities to be creative while they work with different colors, letters, numbers, and shapes.
Alabama Learning Exchange
Finding Prime
Fifth and sixth graders explore prime numbers. They work with a partner to build rectangular arrays using twelve tiles. Factor pairs are noted and recorded on graph paper. Pupils construct rectangular arrays with a prime number and...
Curated OER
Area Model of Multiplication Using Base 10 Manipulatives
Explore two-digit multiplication with your class as they work in groups to build models of two-digit multiplication using base 10 manipulatives. They construct rectangles replacing standard numbers with equivalent place values using the...
Curated OER
Planetary Place Value
Third graders explore place value to the ten thousands place. This incredibly thorough, 24-page lesson has learners construct, order, and compare numbers to 9,999. This three-day lesson includes reteaching and extension activities...
Curated OER
Number Names
In this number names instructional activity, students view the numbers in digits and write them in words. Students write the number names for numbers 0 through 9.