What is the value of the underlined digit?
6.547
0.5 (five tenths)
10 x 10 x 10 x 10 in base/exponent form
104
5.67 rounded to the nearest tenth
5.7
7.8 + 4.3
12.1
8.7 - 4.3
4.4
A digit 4 in the ones place would have what value?
4
What is the value of 105?
100,000
0.046 rounded to the nearest hundredth
0.05
6.5 + 1.42
7.92
6.98 - 2.5
4.48
7.8_5
If the missing digit is worth three hundredths, what is the digit?
3
What happens when you multiply or divide by a power of 10? (hint: think zeros)
You add or take away the number of zeros that match the exponent
Which of these is the greatest?
0.46, 46, 4.6
46
How do you use front-end estimation to estimate a sum?
Take the first nonzero digit of each addend, drop all the other digits, and add
9.45 - 4.007
5.443
For the digit 8 to be worth 80, what place would it need to be in?
tens
3,400 x 104
34,000,000
How would you say the name of this decimal?
1.82
one and eighty-two hundredths
0.035 + 0.226
0.261
0.764 - 0.5
0.264
How many times greater is the 9 in 98.5 than the 9 in 49.6?
10 times greater
750,000,000 -: 10^3
750,000
Round seven and six hundred fifty thousandths to the nearest whole number
8
12.4 + 2.343
14.743
17.43 - 2.706
14.724