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EngageNY
A Surprising Boost from Geometry
Working with imaginary numbers — this is where it gets complex! After exploring the graph of complex numbers, learners simplify them using addition, subtraction, and multiplication.
EngageNY
Exploiting the Connection to Trigonometry 1
Class members use the powers of multiplication in the 19th installment of the 32-part unit has individuals to utilize what they know about the multiplication of complex numbers to calculate the integral powers of a complex...
EngageNY
Coordinates of Points in Space
Combine vectors and matrices to describe transformations in space. Class members create visual representations of the addition of ordered pairs to discover the resulting parallelogram. They also examine the graphical representation...
EngageNY
Interpreting Division of a Whole Number by a Fraction—Visual Models
Connect division with multiplication through the use of models. Groups solve problems involving the division of a whole number by a fraction using models. The groups share their methods along with the corresponding division and...
Curated OER
Dividing
Here's a set of division problems to drill your scholars; they complete 48 horizontally aligned equations total. These problems are separated into four sections of 12 equations each: learners divide by six, seven, eight, and nine. Many...
EngageNY
Representing Reflections with Transformations
In the 16th lesson in the series of 32 the class uses the concept of complex multiplication to build a transformation in order to reflect across a given line in the complex plane. The lesson breaks the process of reflecting across a line...
Curated OER
Multiples of 9
Your third graders might know how to solve multiplication problems with multiples of nine - but what if the problems are written out? Four sections of multiplication problems prompt learners to interpret the way each problem is written...
DK Publishing
2 Pairs of Feet - Multiplying by 2
Introduce mathematicians to multiplication through counting sets of feet. Start by asking them, "How many feet are in this classroom?" See if they notice that it's easier to count pairs rather than individual feet. Scholar use the...
DK Publishing
4 Times Table
It's all about the fours as scholars practice their multiplication facts. They skip count on a number chart, shading in each multiple of four. Do they notice a pattern? Next, scholars complete five number sentenes multiplying four by...
DK Publishing
Multiply or Divide? Part 2
Explore the relationship between multiplication and division as scholars fill in these number sentences, each of which is missing a symbol. Is it a multiplication or division equation? There are 18 of these to start, all written...
DK Publishing
Multiply or Divide? Choosing the Operation
Division or multiplication? Scholars examine 36 number sentences, each missing either a division or multiplication symbol...but which one fits? They write in the signs based on the numbers given, all of which are whole numbers. The first...
EngageNY
Solving Inequalities
Do properties of equations hold true for inequalities? Teach solving inequalities through the theme of properties. Your class discovers that the multiplication property of equality doesn't hold true for inequalities when multiplying by a...
Curated OER
St. Patrick's Day Missing Digits (J)
In this St. Patrick's Day missing digits worksheet, pupils figure out the missing numbers in twenty-two addition, subtraction and multiplication equations.
Curated OER
WS 1.6 Significant Figures II
In this significant figures worksheet, students indicate the number of significant figures in given measurements. They also perform calculations of multiplication, division, addition and subtraction and identify the number of significant...
EngageNY
Equations Involving a Variable Expression in the Denominator
0/0 doesn't equal 0! Begin this lesson by allowing the class to explore the concept of dividing by zero. The introduction allows for discovery and provides meaningful examples of dividing by zero. This understanding leads to solving...
EngageNY
Mid-Module Assessment Task: Pre-Calculus Module 5
Determine if any reteaching with a mid-module assessment task. The assessment covers the general multiplication rule, permutations and combinations, and probability distributions for discrete random variables.
Curated OER
One Step Equations: Add, Subtract, Multiply, Divide
One step equations involving addition, subtraction, multiplication and subtraction. Step by step methods of how to solve these equations and has practice problems for each operation. Answers are provided. As a...
Curated OER
Scientific Notation
In this scientific notation instructional activity, high schoolers convert 8 numbers from scientific notation to standard notation. They convert 8 numbers from standard notation to scientific notation. They solve 14 problems using the...
DK Publishing
Money Word Problems #2
Are you experiencing money problems? Here are some more! Young mathematicians practice their addition and subtraction skills with money values in these word problems and number sentences. Some of the 25 questions prompt scholars to...
Waterloo Mathematics
Number Sense and Numeration: Integers - Objects Model
Here is a comprehensive task for your middle school mathematicians regarding the multiplication and division of integers. Word problems and practical problems abound, while occasional graphics make the page more visually appealing. A...
DK Publishing
Money Word Problems #1
Having money problems? How about 19 more? Scholars begin with 10 money-related word problems, some requiring they understand different coin values. They add and subtract for these, and although there are also opportunities for division...
EngageNY
Algebraic Expressions—The Commutative and Associative Properties
Who says math is boring? Turn dry concepts like properties and vocabulary into an interesting lesson! Examine the commutative and associative properties of addition and multiplication using geometric reinforcement. Through collaboration,...
Curated OER
Math Mammoth End of Year Test - Grade 2
Assess your second graders with this end of the year test. Originally meant for home school, this assessment could also be used in a larger setting. Learners complete 35 problems based on their knowledge of the second grade math...
Curated OER
Fact Families
These fact families need to be completed. Scholars use addition and subtraction to complete four number sentences for each set of three numbers. The sentences are all part of the number set's fact family, and demonstrate the commutative...