# Calculator decimals and mixed numbers

### 1.5 - 1 1 / 5 = -0.7

Spelled result in words is minus zero point seven.### Calculation steps

- Divide: 11 / 5 = 2.2
- Subtract: 1.5 - the result of step No. 1 = 1.5 - 2.2 = -0.7

**order of operations**. The most common mnemonics for remembering this order of operations are:

**PEMDAS**- Parentheses, Exponents, Multiplication, Division, Addition, Subtraction.

**BEDMAS**- Brackets, Exponents, Division, Multiplication, Addition, Subtraction

**BODMAS**- Brackets, Of or Order, Division, Multiplication, Addition, Subtraction.

**GEMDAS**- Grouping Symbols - brackets (){}, Exponents, Multiplication, Division, Addition, Subtraction.

Be careful, always do

**multiplication and division**before

**addition and subtraction**. Some operators (+ and -) and (* and /) has the same priority and then must evaluate from left to right.

## Decimals in word problems:

- About what

How much and how many times is 72.1 greater than 0.00721? - Package

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Subtract mixed number with regrouping: 11 17/20- 6 19/20 - Jansen

Jansen had 1.3 litres of fruit juice. He drank 0.5 litres during lunch. How many litres of fruit juice does he have left? - Expression 8

Evaluate this expressions: a) 5[3 + 4(2.8 - 3)] b) 5×(8-4)÷4-2 - Colored blocks

Tucker and his classmates placed colored blocks on a scale during a science lab. The brown block weighed 8.94 pounds and the red block weighed 1.87 pounds. How much more did the brown block weigh than the red block? - Cast brass

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Monika dove 9 meters below the ocean's surface. She then dove 13 meters deeper. Then she rose 19 and one-fourth meters. What was her position concerning the water's surface (the water surface = 0, minus values = above water level, plus = above water level - Mixed numbers

Rewrite mixed numbers so the fractions have the same denominator: 5 1/5 - 2 2/3 - The tallest

The tallest building in the world used to be Taipei 101 in Taiwan. Its height is 0.509 km. The tallest building in North America used to be Sears Towers in Chicago, USA. Its height is 0.442 km. What is the difference in the heights of the buildings? - Latitude and longitude

A helicopter is flying from Hong Kong to Jakarta. The latitude of Jakarta is -6.20, and its longitude is 106.80. The latitude of Hong Kong is 22.27, and its longitude is 114.15. What is the helicopters net change in latitude and longitude as it travels fr - The temperature

The temperature at 1:00 was 10 F. Between 1:00 and 2:00, the temperature dropped 15F. Between 2:00 and 3:00, the temperature rose 3F. What is the temperature at 3:00? - The Stolen Money

A man walks into a store and steals a $100 bill. 5 minutes later, he returns to the store and buys stuff worth $70. He pays with the bill that he had stolen, so the owner of the store returns him $30. How many dollars did the store owner lose? - Five pumps

Three same pumps fill the tank with 50400 liters of diesel in 7 hours. How many liters of diesel will it take in 4 hours if we add two more of the same pumps and pump them the same way? How much more (or less) will they get if we add 2 of the same pumps a

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