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Unit 1 Math Review: Multi-Digit Addition & Rounding

Anything

Grade 4

English

Unit 1 Math Review: Multi-Digit Addition & Rounding

Name: Date:

Part 1: Multi-Digit Addition (Lessons 6 & 7)

Directions: Find each sum. Line up your place values carefully and remember to regroup (carry) when a column adds up to 10 or more.

Part 2: Word Problems (Lessons 6 & 7)

Directions: Read each story problem carefully. Show your work in the space provided, include your units, and write your final answer on the line.

5. A delivery truck driver drove 1,529 miles in October and another 1,846 miles in November. How many total miles did the driver travel in all during those two months?

Show your work:

Answer:

6. Video game fans bought 85,420 copies of a new adventure game during its first month. In the second month, players bought 347,680 more copies than in the first month. How many copies of the game did players buy during the second month?

Show your work:

Answer:

Part 3: Rounding Whole Numbers (Lesson 8)

Directions: Round each number to the designated place value. Tip: Underline the place value you are rounding to, check the neighbor to the right, and decide whether to round up or keep it the same!

7. Round each multi-digit number:

a. What is 639,214 rounded to the nearest hundred thousand?

b. What is 745,682 rounded to the nearest thousand?

c. What is 382,905 rounded to the nearest ten thousand?

d. What is 497,163 rounded to the nearest hundred thousand?

8. Rounding Detective Challenge:

Maya rounded a secret 6-digit number to the nearest thousand and got 428,000.

Circle or check all the numbers below that could be Maya's secret number:

A. 427,389

B. 427,615

C. 428,490

D. 428,812

E. 427,500