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Rounding
Scientific Notation
Calculations
100

3 457 896 (value of the ten-thousand spot)

What is 50 000 (fifty thousand)?

100
The sign for "greater than" is ?
What is > ?
100
State the rounding rule for rounding up.
What is if the digit to the right of the place value you are rounding is 5 or higher, round the place value up by one.
100

8.2 x10^7

82000000

100
15 + 5 x 6 =
What is 45? (BEDMAS 5 x 6 = 30, 30 + 15 = 45)
200
46 562.973 The digit in the hundredths place.
What is 7?
200
Order from largest to smallest. 57, 25, 90, 14, 72, 74
What is 90, 74, 72, 57, 25, 15
200
Round to the nearest ones for 534.65
What is 535?
200

9.015 x10^3

9015

200

0.87cL is what in mL

What is 8.7mL

300
90 000 + 4000 + 900 + 5 in standard form
What is 94 905?
300
#'s > 74. 79, 13 + 12, 43, 70 + 3, 100, 66 +9
What is 79, 100, 75 ?
300
Round 150.947 to the nearest tenths and 150.995 to the nearest hundredths. Which number is bigger?
What is 150.995? 150.947 (nearest tenth = 150.9) 150.995 (nearest hundredths = 151)
300

19070000

1.907 x10^7

300
45 x 1000
What is 45 000? ( remember your multiply by 10, 100, 1000 rule)
400
67 034.24 in expanded form
What is 60 000 + 7 000 + 30 + 4 + 0.2 + 0.04
400
5 7 2 9 1 Using thes digits, what is the highest number that you can make and the lowest number.
What is 97521 (highest) and 12579 (lowest)?
400
Round each number to the nearest tenths, then find the difference. 310.75 - 256.41
What is 54.4? 310.75 becomes 310.8 256.41 becomes 256.4 310.8 - 256.4 = 54.4
400

0.000000000873

8.73 x10^-10

400
35 x 15 =
What is 525?
500
2 560 432.78 in words
What is two million, five hundred sixty thousand, four hundred thirty-two and seventy-eight hundredths?
500
In the Barrie triathlon, Tyler ran it in 1.5 hours, biked for 35 minutes, and cramped up while swimming, managing swam the distance in 180 minutes Nick took 1.75 hours to complete the run, had a flat and took 50 minutes for the biking, and swam an amazing 45 minutes (course record!). Who had the shortest combined time?
What is Nick? Tyler (90 + 35 + 180 = 205 minutes) Nick (105 + 50 + 45 = 200 minutes) 200 < 205 Therefore Nick had the shortest time.
500
Order the following from least to greatest. 22.6 to the nearest tens, 23.107 to the nearest hundredths, and 22.67 to the nearest ones.
What is 20 < 23 < 23.11 22.6 becomes 20 23.107 becomes 23.11 22.67 becomes 23
500

Why do we use scientific notation

What is to make very small and very large numbers more manageable. 

500
165 divided by 5 =
What is 33