Lesson: Estimating Quotients: Two-Digit Divisors Glencoe Math • Course 1 • Volume 1 • Go Math! • Grade 4 • Common Core • enVisionmath2.0 • Grade 5 • Volume 1 • Common Core • enVisionmath2.0 • Grade 4 • Volume 1 • Common Core

Mathematics

In this lesson, we will learn how to replace factors with compatible numbers to estimate the quotient when the divisor is a two-digit number.

Sample Question Videos

Q1:

We can use multiples of 5 to estimate the answer to .

Number	13	14	15	16	17
Number	65	70

Think about the missing numbers in the table to answer the questions.

82 is closest to .

So, is about .

Q2:

Liam is using facts he knows to estimate .

What is ?

Pick the number which is closest to .

Q3:

We can use facts we know to estimate quotients.

Pick the division fact that would give you the best estimate of .

Solve the division from the first part to finish the sentence: is about .

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