Place Value
10s, 100s, 1000s
2 and 3 digit
estimation/rounding
100
How many numbers do you count over to put in a comma?
What is 3
100
If you have 5 zeros in a problem, how many zeros do you write in the answer?
What is 5
100
If you have 2 #s crossed out, how many placeholders do you add?
What is 2
100
What is the rule for rounding? (hint: 4=? 5=?)
What is 4 or less, stay. 5 or more, go up.
200
What number is in the hundreds place? 3,980.41
What is 9
200
23X10=
What is 230
200
24X43=
What is 1,032
200
Round to the tens place, then solve. 23X48=
What is 1,000
300
Which number is in the thousandths place? 8,765,432.109
What is 9
300
34X2,000=
What is 68,000
300
186X75=
What is 13,950
300
Round to the hundreds place, then solve. 1,362X486=
What is 700,000
400
Write this number in words. 82,403.2
What is eighty-two thousand, four hundred three and two tenths.
400
583X600=
What is 349,800
400
82X345=
What is 28,290
400
Round to the tens place, then solve. 531X285=
What is 153,700
500
Write this number in words. 978,340,293.91
What is nine hundred seventy-eight million, three hundred forty thousand, two hundred ninety-three and ninety-one.
500
3,000*5321
What is 15,963,000
500
947X386=
What is 365,542
500
Round to the hundreds place, then solve. 53X251=
What is 30,000
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