Rounding/estimation
Round 3,461 to the nearest hundred
3,500
12 x 6
72
Possible answers: 2/4, 3/6, 4/8, 5/10, 6/12, 7/14 etc
How many inches are in 3 feet?
12 x 3 = 36 inches
If you have a data set of:
2, 2, 3, 4, 5, 7, 7
What is the Median?
4
Estimate the product of 39 x 57
40 x 60 =2,400
63 x 87
5,481
Solve: 4/8 - 1/8
3/8
540 seconds is equal to how many minutes?
1 minute = 60 seconds
9 minutes
If you have a stem and leaf plot like this:
Stem | Leaf
0 | 1, 3, 6
1 | 0, 1, 1, 1, 4, 8, 9
2 | 0, 0, 4, 5, 5, 7, 8
Key 1|4 = 14
What is the Range?
28-1 = 27
Estimate the products by rounding each number to the nearest 10:
67 x 58
4200
575 divided by 5
115
What is 3(53/100) written as a decimal?
3.53
How many kilometers make up 60,000 meters?
60 km
If you have a stem and leaf plot like this:
Stem | Leaf
0 | 1, 3, 6
1 | 0, 1, 1, 1, 4, 8, 9
2 | 0, 0, 4, 5, 5, 7, 8
Key 1|4 = 14
What is the Mode?
11
Estimate the product of 321 x 22
300 x 20 = 6,000
412 x 34
14,008
What is 4/10 + 18/100?
58/100
Knowing that 1 yard = 36 inches
How many inches are in 8 (1/3) yards?
290 inches
If you have a stem and leaf plot like this:
Stem | Leaf
0 | 1, 3, 6
1 | 0, 1, 1, 1, 4, 8, 9
2 | 0, 0, 4, 5, 5, 7, 8
Key 1|4 = 14
What is the Median?
18
Is "3136 divided by 4 is about 600" an overestimate or underestimate?
Underestimate
5000 divided by 6
833 r2
Solve:
30 x 1/5
6
How many cups are in 7 quarts?
28 cups
If this is your data:
2.25, 2.25, 2.5, 2.25, 3.5, 2, 3, 3.25, 3.25
What is the Range?
3.5 - 2 = 1.5