Forms, Forms, Forms
What is the correct exponential form of 100,000?
10 to the 5th power or 10 x 10 x 10 x 10 x 10
How many times bigger is the 2 digit in 32,000 than the 2 digit in 26,000. How do you know?
The 2 digit in 26,000 is 10 times bigger than the 2 digit in 32,000 because
2,000 x 10 is 20,000 (moves one place to the left)
Which is greater? Why?
0.27 or 0.027
0.27 is greater because it has 2 more tenths than 0.027 which has no tenths. Tenths are bigger than 1/100 or 1/1000.
What is 23.45 + 34.2
56.65
Which is greater?
5/1000 or 0.43
0.43 > 5/1000
What is four hundred sixty nine and eight hundredths in standard form?
469.08
In which number does the 5 represent a value 10 times the value represented by the 5 in 35,187?
a) 117,568
b) 247,351
c) 325,827
d) 453,362
D - 453,362 the 5 = 50,000
50,000 is 10 times greater than 5,000
What is 15.74 rounded to the nearest tenth?
15.7 or 157 tenths
What is 2.3 - 0.45
1.85
Convert:
How many CM are in 5 Meters?
500 CM
What is 482.073 expressed in word form?
four hundred eighty-two and seventy three thousandths
What is the value of a digit that is 1/10 the value of the 8 in the hundreds place for the number 653,841.
8 = 800
If we move one place the left we are dividing or making a digit 1/10 smaller so 800 divided by 10 is 80.
Rearrange the numbers below so they are in ascending order.
34.39, 32.94, 34.198, 33.6
32.94 < 33.6 < 34.198 < 34.39
What is 0.95 x 5
4.75
Model the number 7.77 on a place value chart. Explain why each of the digits has a different value.
Each is 7 is 10 ten times greater or 1/10 smaller than the previous 7
7 ones > 7 tenths > 7 hundredths
(4 x 10) + (5 x 1/10) + (4 + 1/100)
or
(4 x 10) + (5 x 0.1) + (4 + 0.01)
Any number that has a 6 in the hundreds place.
Round 0.136 to the nearest hundredth
0.14
What is 1.872 divided by 9?
0.208
What number is this in standard form:
(2 x 100) + (3 x 1) + (4 x 1/10) + (3 x 1/1000)
203.403
Write two hundred three and forty-two thousandths in unit form and expanded form.
203.043
2 hundreds + 3 ones + 4 hundredths + 2 thousandths
(2 x 100) + (3 x 1) + (4 x 1/100) + (3 x 1/1000)
Maricela has 17.44 g of rice at her restaurant. Her sister, Betty, has 1000 times as much rice as Maricela. How much rice does Betty have at her restaurant?
17.44 x 1000 = each digit moves 3 decimal place to the left
17,440 g
Compare:
3.298 ___ 3.278
When rounded to the nearest tenth, which one is closer to 32 tenths (3.2). Why?
3.298 is greater than 3.278 because 9 tenths is greater than 7 tenths.
3.298 rounds up to 3.2 (32 tenths) because it has a larger hundredths unit.
Jan wants to buy her and her friends move tickets. Each ticket costs 6.00. She only has $25.50. What is the greatest number of tickets Jan can buy?
Jan can buy 4 tickets.
Convert:
How many M (meters) are in 2,450 mm (millimeters).
2.45 Meters