Find each product. Use patterns to help.
4 x 101 =
4 x 102 =
4 x 103 =
4 x 104 =
40
400
4,000
40,000
Use properties and mental math to solve.
7.35 + 1.47 + 9.65
18.47
Find each product.
54 x 102 =
278 x 1,000 =
102 x 104 =
5,400
278,000
1,020,000
Find each product.
563.7 x 102 =
0.678 x 0.1 =
681.7 x 0.01 =
56,370
0.0678
6.817
Use a basic fact and a pattern to help solve.
320 divided by 40
8
Write 10 x 10 x 10 x 10 x 10 x 10 x 10 with an exponent
107
A bottle of perfume holds 0.55 ounce. A bottle of cologne holds 0.2 ounce.
How many more ounces does the bottle of perfume hold?
0.35 ounce
75 x 222
16,650
Find the product.
6 x 2.03
12.18
385 divided by 11
35
Write 337,060 in expanded form using exponents
(3 x 105) + (3 x 104) + (7 x 103) + (6 x 101)
Find the sum.
$271.90 + $34.22
$306.12
Find the product.
207 x 61 =
12,627
Find each product.
34.6 x 9 =
56 x 0.4 =
50 x 0.914 =
311.4
22.4
45.7
Use partial quotients to divide.
132 divided by 11
840 divided by 21
304 divided by 16
12
40
19
Write 17/1000 as a decimal
0.017
Subtract to find the difference.
23.6 - 8.27
15.33
Carolyn bought a gallon of paint that covers 250 square feet.
She wants to paint a wall that is 16 feet wide and 12 feet high.
Explain whether or not she will need more than one gallon of paint.
Carolyn needs only one gallon of paint.
16 x 12 = 192 and 192 < 250
Find each product.
5.2 x 4.6 =
3.5 x 0.4 =
18.1 x 3.7 =
23.92
1.4
66.97
A scientist needs 70 milliliters of water for each of 15 experiments.
She has a bottle that contains 975 milliliters of water.
Is there enough water in the bottle for all 15 experiments?
Round 32.65 to the nearest tenth
32.7
Find the sum or difference.
24.84 - 22.7 =
18.06 + 9.79 + 12 =
57.3 - 42.81 =
2.14
39.85
14.49
William travels only on Saturdays and Sundays and has flown 1,020 miles this month.
Jason travels every weekday (Monday through Friday) and has flown 1,200 miles this month.
If each man splits his miles equally between the days he travels, who travels more miles per day for this month?
William; he travels 2 days per week, but has flown almost the same number of miles as Jason who flies 5 days per week.
Jodi drew the Eiffel Tower 6.5 inches tall. She thought it was too tall, so she multiplied its height by 0.8.
The second drawing was too short, so she multiplied its height by 1.2.
Will her last drawing be shorter, the same as, or taller than her first drawing? How tall will her last drawing be?
The last drawing is 6.24 inches tall, so it is shorter than the first drawing.
A caravan crossed 1,378 miles of desert in 85 days.
It traveled 22 miles on the first day and 28 miles on the second day.
If the caravan traveled the same number of miles on each of the remaining days, how many miles did it travel on each of those days?
16 miles