Rounding #'s
Round 12 to the nearest ten.
10
1 2
____ + ____
4 4
____
4
___ x ____
5 2
3
___
10
write 20000 in scientific notation
2 x 104
Estimate the cost of buying a candy that is worth $1.38 and another candy worth $2.67
Round 149 to the nearest hundred
100
2 3
____ + ____
4 8
7
___
8
2 4
___ x ____
3 4
2
__
3
Write 4500 in Scientific Notation
4.5 x 103
Estimate how much Jeremy would make in a day if he was paid 14.50 per hour and he worked for 10 hours.
$150
Round $12.67 to the nearest dollar
$13
1 2
___ + ___
3 4
10
_____
12
1 2
___ ÷ ____
2 3
3
___
4
Write 49089000 in Scientific Notation
4.9 x 107
Loki eats 1 and 1/2 cups of food TWICE a day. If he gets into the cupboard while Miss White isn't looking and eats about another 1/2 cup of food, how much food has he eaten for that day?
About 3 1/2 cups
Round 12456.678 to the nearest hundreTH
12456.68
2 2
1 _____ - ______
8 8
___ or 1
8
1 2
2____ x ____
2 3
4
1____
6
Write 49089000 in Scientific Notation
4.9089 x 107
5 waitresses make $480 total for one night. How much did each waitress make?
$100
Round $32.87 to the nearest NICKEL
$32.85
2 1
2 ____ - ____
3 6
1
2 _____
2
3 6
___ ÷ ____
4 8
1
Write 0.000001 in Scientific Notation
1 x 10-6
Consider this ROUNDED number: 67.92. What would be one of the potential UNROUNDED original numbers?
Hint: There may be more than one possible answer, 5 or more, add one more, 4 or less stay and rest
67.920
67.921
67.923
67.924