Show:
Roman Numerals
Rounding to nearest 10
Rounding to the nearest 100 or 1,000
Expanded Form and Partitioning Numbers
Comparing Numbers
100

Write 3 in roman numerals

III

100

Round 5 to the nearest 10

10, because 5 is closer to 10 than 0.

100

Round 503 to the nearest 100

500. Because we are looking at the 0, and so it rounds down. 

100

On your whiteboard, show 1,560 in expanded form: ____ + _____ + _____ + ________

1,000 + 500 + 60 + 0 (or any other flexible partitioning)

100

39 ____39

= or equal to 
200

What is IV in number form?

4

200

Round 13 to the nearest 10

10. Because the 3 is closer to 10 than it is to 20.

200

Round 129 to the nearest 100.

100. We are looking at the two, and because it is less than 5 we round down to 100 NOT up to 200.

200

Draw a part whole model of 3,602

In circles you should have 3,602 = 3,000 + 600 + 0 + 2 (or any other flexible partioning that adds up)

200

1,292 ___ 1929

< or less than 

300

Write 18 in Roman Numerals

XVIII

300

Round 166 to the nearest 10.

170 because the 6 is closer to 70 than 60.

300

Round 1,230 to the nearest thousand

1,000. Because we are looking at the 2 in the hundreds. It is less than 5, so we round down to 1,000 NOT up to 2,000

300

Fix the mistake in the Expanded form for 7,183 = 4000 + 4000 + 100 + 80 + 3

 7,183 = 4000 + 3000 + 100 + 80 + 3 (or any other correct partioning.

300
3,948 ___ 3,934

> or Greater than 

400

What is in XC numbers?

90, because X = 100 and C = 10. So this means, 100 - 10 = 90
400

Round 288 to the nearest 10

290, because the 8 is closer to the nearest 10 (which is 90) and not to to 280

400

Round 8944 to the nearest 1,000

9,000. We are looking at the 9 in the hundreds, and because it is bigger than 5 we round up to the next thousand, which is 9,000
400

Fill in the blanks for expanded form: 

9393 = 5,000 + _______ + 300 + 90 + 1 + _____

9393 = 5,000 +4,000 + 300 + 90 + 1 + 2

400

19,235 ___ 19,238

<  or Less than 

500

Write 2025 in Roman Numerals: 

MMXXV = 1,000 + 1,000 + 10 + 10+5

500

Round 385 to the nearest 10

390. Because of the 5 we have to round up, which would give us 390

500

Round 2,499 to the nearest 1,000.

2,000. Because we are looking at the 4 in the hundreds place, and it is less than 5, it rounds down to 2,000 and NOT UP to 3,000.

500

Complete a part whole model for 4515 using FIVE bubbles at the bottom (flexible partioning)

4,515 = 4,000 + 500 + 5 + 5 +5 (or any other flexible partioning that makes sense)

500

CHALLENGE QUESTION! 

1,000,393 ____ 1,000,345

> or Greater than