Understand Multiplication as Comparison
3 sessions
Use the four operations with whole numbers to solve problems.
4.OA.A.1
Interpret a multiplication equation as a comparison. e.g., interpret 35 = 5 x 7 as a statement that 35 is 5 times as many as 7 and 7 times as many as 5. Represent verbal statements of multiplicative comparison as multiplication equations.
Use a multiplication equation to represent the relation ship between two numbers as a multiplicative comparison.
Identify a multiplication equation as showing two ways to describe a product as a comparison between two factors.
Write an equation to represent a multiplicative comparison described in a word problem.
Write a word problem using a multiplicative comparison to describe a given equation.
Write a multiplicative equation to represent a multiplicative comparison between two numbers.
Write a multiplication equation to represent a multiplicative comparison described in a word problem.
Describe a real world comparison situation tha can be represented by a given multiplication equation.
Multiplicative Comparisons
Vocabulary
multiplicative comparison - a comparison that tells how many times as many. For example, 7 x 3 = 21 tells that 21 is 3 times as many as 7 and that 21 is 7 times as many as 3.
multiplication - an operation used to find the total number of items in a given number of equal-sized groups.
multiply - to repeatedly add the same number a certain amount of times.
equation - a mathematical statement that uses an equal sign (=) to show that two expressions have the same value.
factor - a number that is multiplied.
factor pair - two numbers that are multiplied together to get a product.
product - the result of multiplication
To Do:
iReady Teacher Assigned Lesson: Multiplicative Comparison Word Problems, Part 1, Multiplicative Comparison Word Problems, Part 2
Student pages 109 - 118
Check you Google Classroom page for additional assignments.
iReady Comprehension Check: Understand Multiplication as a Comparison