Powers of 10
5.02x100
502
Estimate by rounding to the nearest whole number:
1.67x4
2x4=8
0.78x5
3.9
8.6x0.8
6.88
Where does the decimal go in the answer to this problem:
9.2x8.3=7 6 3 6
76.36
Between the 6 and 3
63.7x10
637
Estimate by rounding to the highest place value:
37x0.93
40x1=40
3x2.5
7.5
0.33x0.8
0.264
Where does the decimal go in the answer to this problem?
1.38x5.5=7 5 9 0
7.590
Between the 7 and 5
42.3x102
4,230
Estimate by rounding to the highest place value:
9.02x81
9x80=720
5.8x11
63.8
0.22x1.7
0.374
Where does the decimal point go in the answer to this problem:
8.12x34=2 7 6 0 8
276.08
Between the 6 and 0
0.086x100
8.6
Estimate by rounding to the highest place value:
42.3x4
40x4=160
26x1.21
31.46
8.5x19.1
162.35
Where does the decimal go in the answer to this problem:
53.2x17=9 0 4 4
904.4
Between the 4 and 4
Jon's Binoculars enlarge objects to 10 times their actual size. If the length of an ant is 0.43 inch, what is the length as seen up close through his binoculars?
4.3 inches
T-shirts from Target cost $12.50 each. ABOUT How much money would Stan need to buy 5 t-shirts?
About $50
A city is building 3 parks. Each park will be 1.25 acres. How many total acres will the 3 parks be?
3.75
Helen uses 0.12 kilograms of nuts in each batch of granola that she makes. If she makes 2.5 batches, how many kilograms of nuts will she use?
0.3 kilograms
Where does the decimal go in the answer to this problem:
19.8x0.67=1 3 2 6 6
13.266
Between the 3 and 2