Multiply Decimals by 0.1, 0.01, and 0.001
500 x 0.1
500 x 0.01
500 x 0.001
50, 5, 0.5
Estimate the product: 9.27 x 1.5
About 9
0.07 x 3
0.21
Write the word phrase as an algebraic expression:
the product of a number and nine-tenths
0.9n or 9/10n or 0.9(n) or 9/10(n) or 0.9*n or 9/10*n
Evaluate the expression: 25 x 205
5125
6 x 0.1
60 x 0.1
600 x 0.1
0.6, 6, 60
Estimate the product: 3.8 x 40.7
About 160 or About 164
6.87 x 2
13.74
Write the word phrase as an algebraic expression:
five groups of some number
5x, 5(x), 5*x
Evaluate the expression: 3(y)(4), when y = 3
36
13.2 x 0.1
132 x 0.01
1320 x 0.001
1.32, 1.32, 1.32
Estimate the product: 8 x $46.95
About $376 or About $400
13.5 x 9.2
124.2
Write each expression as a word phrase:
75.3t
the product of 75.3 and t, 75.3 multiplied by t
Evaluate the expression: xy, when x = 3 and y =0.2
0.6
Andrew has $3.50. Cooper has one-tenth, or 0.1, that amount. How much money does Cooper have?
Cooper has $0.35.
Estimate the product: 6.1 x 15.2 x 28.3
About 2520 or About 3600
12.4 x 0.9 x 0.8
8.928
A farmer sells apples for $0.65 each. Write an expression to represent how much g apples cost.
$0.65g, $0.65*g, $0.65(g)
Evaluate the expression, use order of operations:
6d - c, when d = 20 and c = 4.6
115.4
Emma wants to find the total cost of 200 text messages that cost $0.10 each. What is the total cost for 200 text messages?
The total cost for 200 text messages is $20.
A dragonfly can fly 9.9 miles in one hour. About how far can the dragonfly fly in 4.5 hours, if you suppose it can fly without resting?
The dragonfly can fly about 50 miles in 4.5 hours.
A botanist finds that a certain plant grows about 0.5 inches each month. How many inches do you predict the plant will grow in 15 months?
I predict that the plant will grow about 7.5 inches in 15 months.
Kimmy runs 2.5 miles each day for some number of days. What expression represents the total number of miles Kimmy runs?
2.5k, 2.5(k), 2.5*k
Let h represent the number of hours it takes to fix a computer. The expression 40h shows the cost a computer repair center charges customers. How much does a 3.5-hour repair cost?
A 3.5-hour repair costs $140.