Lesson 5 Refine: Subtracting Review

What is the difference between 484, 392 and 53, 674?

Solve in your workbook before typing in your answer. Line up each place value before subtracting and don't forget to regroup, if need!

Mathematical Equivalence

ON

Find the difference of 840,000 - 671,600.

Solve in your book BEFORE typing in your answer. Line up each place value and don't forget to regroup, if needed.

Mathematical Equivalence

ON

Antonio tracks the number of steps he takes each day. He takes 158, 516 steps in the month of July. He takes 136, 720 steps in the month of August. How many more steps does he take in July than in August?

Hint: Solve 158, 516 - 136, 720 in your book first!

• 21,786

• 21,796

• 22,216

• 22,796

Jamie chose 22,796 as the correct answer for 158, 516 - 136, 720. Answer both questions below in complete sentences.

A) Is Jamie correct?

B) How did she get this answer?

Which equation can help you estimate the difference of 63, 412 - 31,500? Hint: Round each number to the nearest THOUSAND in your book before selecting your answer!

• 6,300 - 3,200 = 3,100

• 60,000 - 3,000 = 57,000

• 60,000 - 40,000 = 20,000

• 63,000 - 32,000 = 31,000

8,902 - 3, 407 = 5, 405

Hint: Solve in your book or on scratch paper before answering!

• True

• False

16, 234 - 5,235 = 9,999

Hint: Solve in your book or on scratch paper before answering!

• True

• False

420, 508 - 130, 274 = 290, 234

Hint: Solve in your book or on scratch paper before answering!

• True

• False

Find 806, 289 - 784, 976.

Hint: Solve in your book before typing your answer!

Mathematical Equivalence

ON