1
2
3
Vocabulary
100

In one month, 9,805 cars pass a store. In the same month, 12,053 trucks pass the same store. use <, >, or = to write a comparison between the number of cars and trucks. Do more cars or trucks pass the store?

9,805<12,053

More trucks pass the store. 

100

Has this been rounded to the nearest thousand, ten thousand, or hundred thousand?

353,700 --> 400,000

Nearest Hundred Thousand

100

Find the sum. Estimate to show that your answer is reasonable. 

 2,653 + 5,729


Actual answer: 8,382

Rounded answer: 2,700 + 5,700 = 8,400

100

What is word form? Show an example. 

The way a number is written with words. 

200

Serena spends twenty-three thousand, forty-nine minutes a year on homework. What is that number in expanded form?

20,000+3,000+40+9. 

200

Has this been rounded to the nearest thousand, ten thousand, or hundred thousand?

362,281 --> 362,000

Nearest thousand. 

200

Round each number to the nearest ten then solve. 

63,018 - 45,613 = 

63,000 - 46,000 = 17,000 

200

What is expanded form? Show an example. 

A way a number is written to show the place value of each digit. 

300

What number has 18 ones, 40 ten thousands, and 600 tens? 

406,018

18+ 400,000 + 6,000 = 400,000 + 6,000 + 18 = 406,018

300

Has this been rounded to the nearest thousand, ten thousand, or hundred thousand?

340,689 --> 340,000

Nearest ten thousand. 

300

Researchers count 17,542 birds at a wildlife preserve. They also counted 12,385 land animals and 8,973 water animals. How many more birds than land animals did they count? Show your work. 

17,542 - 12,385= 5,157 

300

What is standard form? Show an example. 

The way a number is written with numerals. 

400

Write two ways to expand 350,219

350,219= _______ thousands + ______ ones

350,219= _______hundreds + _____ tens + 9 ones.

350,219= 350 thousands + 219 ones

350,219= 3,502 hundreds + 1 tens + 9 ones.

400

Has this been rounded to the nearest thousand, ten thousand, or hundred thousand?

367,289 --> 370,000

Nearest ten thousand. 

400

Water animals: 8,973

Thomas and Monique rounded the number of water animals to different place values but got the same answer. How do they round the number of water animals?

Thomas rounded to the nearest thousand and got 9,000. Monique rounded to the nearest hundred and got 9,000. 

400

What does it mean to estimate? 

To give an appropriate number or answer based on mathematical thinking.