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Math - Unit 2
Operations on Decimal
12
Mathematics
7th Grade
12/01/2016

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Cards

Term
What is the rule for adding or subtracting decimals?
Definition
Line up the decimals. (You can add zeros to help with place value.)
Term
What do you do to verify your answer or figure out where the decimal would be placed?
Definition
Estimate!
Term
Find the answer.
174.862
+ 031.580
Definition
206.442
170 + 30
Term
What is the rule for multiplying decimals?
Definition
Forget about the decimals.
Term
What is the rule for dividing decimals?
Definition
Ignore the decimal point, then put the decimal point in the same spot as the number being divided.
Term
What is the Order of Operations?
Definition
B
E
D
M
A
S
Term
What does
B
E
D
M
A
S
stand for?
Definition
Brackets
Exponents
Division
Multiplication
Addition
Subtraction
Term
What is the U.S. term for
B
E
D
M
A
S
?
Definition
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
Term
Solve this equation.
3.12 x 4 + 12 / 1.5 x 2
Definition
3.12 x 4 + 12 / 1.5 x 2
12.48 + 12 / 1.5 x 2
12.48 + 8 x 2
12.48 + 16
28.48
Term
Find the missing math symbols (+,x)
(8.1 _ 3.2) _ 2 = 22.6
Definition
(8.1 + 3.2) x 2 = 22.6
(8 + 3) x 2 =22
Term
Jordan has three birds. Max has a mass of 28.2 kg. Sam is 3.15 kg heavier than Max. The smallest dog, Lucy, is 1.8 kg lighter than Max. What is the total mass of the three dogs?
Definition
Max- 28.2 kg
Sam- ^3.15 kg of Max = 31.35
Lucy- v 1.8 kg of Max = 20.4
=85.95
Term
How do you pronounce 0.1 and 0.10
Definition
One tenth
Ten hundredths
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