Pattern Detective
Find the next number: 2, 4, 6, 8, __
10
25% of 100
25
Convert 0.5 to a percent
50%
What’s out of place? 7, 11, 15, 18
18: Even and adds 3 instead of 4
Estimate 49 + 52
100
Find the rule: 5, 10, 15, 20
Add 5 each time
10% of 250
25
Convert 75% to a decimal
0.75
True or False: Every multiple of 10 ends in 0.
True
Estimate 198 + 301
500
Find the next two numbers: 3, 6, 12, 24, __, __
48, 96
50% of 84
42
Convert 3/4 to a percent
75%
Think of a number. Double it. Add 6. Subtract the original number. What happens?
Answers will vary
Estimate 19% of 100
20
Write the rule as an equation: 1, 4, 7, 10
Y=3x-2
20% of 150
30
Convert 0.2 to a fraction and percent
What’s the difference between finding the inside/outside of 2D and 3D objects?
Area/perimeter, volume/surface area
Estimate $7.99 + $12.25 + $4.90
$15
Y=1/3x
45% of 200
90
Convert 0.09 to a fraction and percent
9/100, 9%
12
Estimate 99 x 12
1200