Number Words
Base 10 blocks
Expanded form
Wildcard
Rounding
100
523 091 in words is....
five hundred twenty three thousand, ninety one.
100
10 ones blocks is the same as _________ tens.
1 ten block.
100
54 424 in standard form is.....
50 000 + 4000 + 400 + 20 + 4
100

Add 

37,589+ 43,871

81,460

100
45 210 rounded to the nearest THOUSAND is....
45 000
200
9003 in words is....
nine thousand three
200
18 ones blocks is the same as _________ tens and...?
1 ten block and 8 ones blocks.
200
245 in expanded form is....
200 + 40 + 5
200
The number 9 999 999 in words is...
nine million, nine hundred ninety nine thousand nine hundred ninety nine.
200
124 rounded to the nearest TENTH is....
120
300
1294 in words is...
one thousand two hundred ninety four
300
20 tens blocks is the same as ____________ hundreds.
2 hundred blocks.
300
400 000 + 3000 + 700 + 10 +9 back to standard form is...
403 719
300

Add.

54,987+76,654=

131,641

300
What are three numbers you could round to 500?
496, 497, 498, 499, 501, 502, 503, 504
400
675 240 in words is....
six hundred seventy five thousand, two hundred forty.
400
23 hundred blocks is the same as ________ thousands and?
2 thousands blocks, and 3 hundred blocks.
400
6 458 008 in expanded form is...
6 000 000 + 400 000 + 50 000 + 8000 + 8 =
400
True or False: When you round a number with a 5 (255) you can round up (260) or down (250) because 5 is exactly half.
True
400
Round 567 342 to the nearest HUNDRED THOUSAND.
600 000
500
4 201 004 in words is....
four million, two hundred one thousand, four.
500
4 thousands blocks is the same as ____________ hundreds.
40.
500
2 000 000 + 300 000 + 6000 + 800 + 90 + 1 in standard form is....
2 306 891
500
5000 + 400 + 2 in standard form is...
5402
500
3 299 004 rounded to the nearest MILLIONS is....
3 000 000
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