Place of a Digit
Value of a Digit
Estimation Adding and Subtracting
Expanded Form
Rounding to any place
100
What is the place value of the 7 in the number 3,890,175?
tens
100
What is the value (worth) of the 7 in the number 3,890,175?
70
100
Round to the nearest hundreds to estimate the answer to this problem. 357 + 628 = ?
360 + 630 = 990
100
Write 8,627,835 in expanded form.
8,000,000 + 600,000 + 20,000 + 7,000 + 800 + 30 + 5
100
Round 875 to the nearest ten.
880
200
What is the place value of the 0 in the number 3,890,175?
thousands
200
What is the value (worth) of the 1 in the number 3,890,175?
100
200
Round to the nearest tens to estimate the answer to this problem. 104 + 859 = ?
100 + 860 = 960
200
Write 469,267 in expanded form.
400,000 + 60,000 + 9,000 + 200 + 60 + 7
200
Round 32,641 to the nearest hundred.
32,600
300
What is the place value of the 8 in the number 3,890,175?
hundred thousands
300
What is the value (worth) of the 3 in the number 3,890,175?
3,000,000
300
Round to the nearest hundreds to estimate the answer to this problem. 9,436 + 2,583 = ?
9,400 + 2,600 = 12,000
300
Write 2,783,219 in expanded form.
2,000,000 + 700,000 + 80,000 + 3,000 + 200 + 10 + 9
300
Round 634,298 to the nearest ten thousands.
630,000
400
What is the place value of the 9 in the number 3,890,175?
ten thousands
400
What is the value (worth) of the 9 in the number 3,890,175?
90,000
400
Round to the nearest thousands to estimate the answer to this problem. 7,205 + 6,939 = ?
7,000 + 7,000 = 14,000
400
Write 17,290,050 in expanded form.
10,000,000 + 7,000,000 + 200,000 + 90,000 + 50
400
Round 1,369,087 to the nearest hundred thousand.
1,400,000
500
What is the place value of the 3 in the number 3,890,175?
millions
500
What is the value (worth) of the 8 in the number 3,890,175?
800,000
500
Round to the nearest tens to estimate the answer to this problem. 3,296 + 5,893 = ?
3,300 + 5,890 = 9,190
500
Write 5,238,567,980 in expanded form.
5,000,000,000 + 200,000,000 + 30,000,000 + 8,000,000 + 500,000 + 60,000 + 7,000 + 900 + 80
500
Round 6,583,254 to the nearest millions.
7,000,000
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