Multiplication Patterns with Decimals
As you multiply by 10, 100, and 1,000, how does he position of the decimal point change in the product?
The decimal point moves one place to the right for every zero.
Solve using the Distributive Property:
3 X 5.3=3 X (5 + 0.3)
=(3 X 5) + (3 X 0.3)
= +
=15.9
Solve:
.3 X .9
.27
Explain PEMDAS
Please Excuse My Dear Aunt Sally: Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction
Explain DMSCB
Does McDonald's Serve Cheese Burgers: Divide, Multiply, Subtract, Check, Bring Down
As you multiply by 0.1 and 0.01, how does the position of the decimal change in the product?
The decimal point moves one place to the left in each equation.
Solve:
8 X 1.35
10.8
Solve
7.8 X 3.12
24.336
Which operation would come first?
78 X 23 - ([15+4] x 6)
addition in the brackets
Compare
89.295 89.286
89.295>89.286
Solve:
45.6 X 1,000
45,600
Solve
40.7 X 5
203.5
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Solve:
$462.35+$58.75
$521.10
List the Factors for 24
1,2,3,4,6,8,12,24
Solve
0.01 X 9,316
93.16
Every day on her way to and from school, Mrs. Reed walks a total of 4.26 miles. If she walks to school 5 days, how many miles will Mrs. Reed walk?
21.3 miles
Which multiplication problem will not give the same product as 8.8 X 5.55?
A) .88 X 55.5
B) 88 X .555
C) 0.88 X 5.55
C) 0.88 X 5.55
Solve
529 X 62
32,798
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A box of cookies cost $0.35 per ounce. If the box contains 10 ounces, what is the cost of the box of cookies?
$3.50
An owl weighs 23.8 pounds. If the owl eats 3 times its body weight each day, how much does the bird eat in four days?
285.6
Mrs. Campbell has a snake that is 2.5 feet long. It grows 1.5 times as long in one year. How long is the snake now?
3.75 feet
Order the following numbers:
48.12 48.21 82.21 28.12
28.12>48.12>48.21>82.21
Why is my answer incorrect? And what SHOULD the answer be?
(56-2) X 13 + 3 = 864
I completed the parenthesis, then added, and multiplied last. I should have multiplied before adding. It should be 705