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Rounding
Percentages + Decimals
Averages
Negatives
Grab Bag
100
Round this number to the nearest TENS place: 89
90
100
NO CALCULATOR! Add these 2 numbers together: 3.42 + 12.16
15.58
100
What is the first step to finding an average?
Add up all the numbers (or data points)
100
What number is BIGGER: -89 or -3
-3
100
How many millimeters are in ONE centimeter?
10 mm
200
Round this number to the nearest TENTHS place: 27.1744
27.2
200
What is this number as a PERCENT? 0.77
77%
200
Find the average of these numbers: 22 14 63
33
200
Jay has $5 in his account but spends $7. How much is in his account now?
-$2
200
Which is larger: 1.5 centimeter or 18 millimeters?
18 mm
300
Round this number to the nearest HUNDREDTHS place: 65.461
65.61
300
What is this number as a percent? 5/20
25%
300
Find the average for these numbers: 342 109 57 200
177
300
What number do you have if you ADD 2 to -10
-8
300
How would you measure water? a) grams b) meters c) liters
C- Liters
400
Round this number to the nearest TENTH place: 240.45
240.50
400
What would this number be as a PERCENTAGE? .158 (round)
16%
400
What is the average of these numbers: 29 48 7 16 93
118.6
400
Luis has $4 but spends $8. How much does he have now?
-$4
400
How many siblings does Prof. Keen have?
3
500
Round this number to the nearest HUNDREDTH place: 1.213
1.21
500
Write one half as a: -percentage -decimal -fraction
-50% -0.50 -1/2 or 5/10 or other
500
A student measures the weight of 4 different objects. The weights are below: 10 grams 14 grams 6 grams 8 grams WITHOUT using a calculator, estimate which the best average would be a) 6 grams b) 10 grams c) 13 grams d) 50 grams
b) 10 grams!! (actual average is 9.5 grams)
500
You have -$6 and spend $3 MORE. How much is left?
-$9
500
How long would it take to travel to mars?
7 months