Powers of 10
102
100
Write (5 x 104) + (6 x 103) + (3 x 102)
5,630
45.62 _____ 4.562
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45.62 is greater than 4.562
5.147 + 6.247
11.394
What number is in the thousandths place in the number 1,795.370?
0
106
1,000,000
(6 x 1) + (4 x 1/100) + (9 x 1/1000)
6.049
Round 11.04 to the nearest whole number.
11
6.247-5.147
1.100 or 1.10 or 1.1
Ellen wanted to buy the following items: A DVD player for $49.95, A DVD holder for $19.95, Personal stereo for $21.95. Does Ellen have enough money to buy all three items if she has $90. Explain.
No, her total would be $91.85 which is more than $90.
Multiply 3 x 101
30
(3 x 1/10) + (8 x 1/00) + (3 x 1/1000)
0.383 or .383
Round 9.98 to the nearest tenth.
10.0
0.46 + 1.097
1.557
Melissa purchased $39.46 in groceries at a store. The cashier gave her $1.46 in change from a $50 bill. How much change should the cashier have given Melissa?
$10.54
104 x 5
50,000
Write 1.647 in expanded form using fractions.
(1 x 1) + (6 x 1/10) + (4 x 1/100) + (7 x 1/1000)
Round 11.042 to the nearest hundredth.
11.04
1.097-0.46
0.637 or .637
It takes Mary 11.7 seconds to run a 100 yard dash. Brittany runs it in 11.07 seconds. Christine runs the 100 yard dash in 11.17 seconds. Order their times from greatest to least. Who wins the race?
11.7, 11.17, 11.07
Brittany wins the race.
What is 10 x 10 x 10 x 10 x 10 written as a power of ten?
105
(9 x 1) + (4 x 1/10) + (2 x 1/1000)
4.556, 5.456, 5.465, 5.654
Seth had 3.951 meters of ribbon. Reba needed to use 0.281 meters of his ribbon. How much ribbon did Seth have left?
3.670 meters
MUST HAVE LABEL FOR POINTS
Patricia has $425.82 in her checking account. How much does she have in her account after she makes a deposit of $120.75 and a withdrawal of $185.90?
$360.67