Place/Value
Rounding
Estimating
Decimals
Adding and Subtracting with Decimals
100

The location of a digit in a number

What is place?

100

Rounds down

What are 0-4?

100

An educated "guess" based on facts

What is estimating?

100

Whole numbers represent complete numbers with no partial values, what do decimals represent? 

What are partial numbers? 

100
The answer to  2.2 + 3.3=

What is 5.5?

200

What a specific digit is worth, based on the place of the digit

What is value?

200

Rounds up

What are 5-9?

200

There are 51 students in band and 28 in chorus. About how many students are there in either band or chorus? 

What are about 80 students? 

200

What is the place of the underlined digit below?


6.0932

What is the tenths place? 

200

The direction one works when there is only addition and subtraction steps left in a problem

What is left to right? 

300

The place and value of the underlined digit:

7,983,234,121

What is the ten millions place and 80,000,000?

300

643,928 rounded to the nearest thousands place 

What is 644,000?

300

About how many plates of food the Tillman Center serves in a week, when they serve 217 plates on Monday, 203 plates on Tuesday, 221 plates on Wednesday, 201 plates on Thursday, and 298 plates on Friday.

What are 1,100 plates? 

300

Compare the two numbers below: 


73.704 (____) 73.8

What is 73.704 < 73.8? 

300

35.35+35.35=

What is 70.7?

400

4,000,000+300,000+40,000+3,000+400+30+4

What is 4,343,434?

400

49,999,991 rounded to the nearest hundreds place

What is 50,000,000?

400

467+399 when both addends are rounded to the nearest hundreds place

What is 900?

400

Compare the numbers below: 

8,000,000+500,000+40,000+3,000+50+5 (____) 8,000,000+500,000+40,000+3,000+50+.5

What is >?

400

56.304 - 2.00009

What is 54.30391?

500

8,675,309 in expanded form

What is 8,000,000+600,000+70,000+5,000+300+9?

500

4,343,434 rounded to the nearest millions place

What is 4,000,000?

500

About how many students are attending school when the upper school has 481 students, the middle school has 302 students, and the lower school has 297 students. 

What are 1,100 students? 

500

The following numbers in order from least to greatest: 


12.21 / 12.12 / 1.212 / 21.12 / 21.022

What is 1.212 / 12.12 / 12.21 / 21.022 / 21.12

500

8,675,309.9035768 + 2,813,308.004

What is 11,488,617.9075768?