# Numbers - practice problems

Mathematics is the science of numbers and counting. The original numbers that began to be counted were natural numbers - one, two, three, and so on. To write numbers, we use the digits 0,1,2,3,4,5,6,7,8,9. We use 10 digits in the decimal system. We know different sets of numbers - whole numbers, real numbers, complex numbers. Fractions are the notation of rational numbers; you can also find them in our offer; even if it is not an extra set of numbers, they are prevalent in practice, so we made an additional category for them.#### Number of problems found: 6340

- Mass fraction 2

What fraction is 60kg of 150kg? - Let z 3

Let z = -5 + i and w = 4 - 2i. Compute z - w and write your final answer in a + bi form. x = z - w - Money fraction

You have 8 euros and spend 5 euros. What fraction did you spend? - Amelia

Amelia and Ray were making cupcakes. In a glass bowl, they added 3 cups of flour, 1 1/3 cups of vegetable oil, 1/2 cup of butter, 1/4 cup of chocolate chips, and 2 more cups of other ingredients. How many cups of batter are in the bowl?

- Negative number 2

Haley is trying out a new racing game on her tablet. Her score decreases by 100 points when her driving car gets a flat tire. What integer represents the change in Haley's score when she gets a flat tire? - Clock ratio

What is six hours to 10 hours? - Improper to mixed number

Convert improper fraction 34/7 to a mixed fraction. - Oranges

There are 50 oranges in a bag. If ten of these oranges are bad, what fraction of them are good? - Puzzle game

In a letter puzzle game, John can use every alphabet only once. He used only 8 alphabets to solve the puzzle. What fraction of the 26 alphabets did he use? Express your answer as a fraction in the simplest form.

- Change 8

Change this mixed number into an improper fraction of 2 1/9 - Lilliana

Lilliana wrote a number. She gave the following clues to her number: The digit in the tenths place is 4 The digit in the one's place is 8 The digit in the thousands place is 9 The digit in the hundreds place is 2 Find Lilliana's number. - A scuba

A scuba diver swims to a depth of 12 15/16 meters below sea level. Which of the following shows the decimal representation of -12 15/16? Write as decimal value... - Decimal place

What is the digit's place value to the right of 3 in 2.438? - Reduce fractions

The following fraction is reduced to its lowest terms except one. Which of these: A. 98/99 B. 73/179 C. 1/250 D. 81/729

- A water

A water jug has 1 5/8 liters of liquid. How do you write this mixed number as a decimal? - Write 6

Write two hundred four thousandths in decimal form. - Out 550,000.00

Out of 550,000.00, an amount of 325,000.00 was used. What fraction of the total amount was used? - One-fifth

What is 1/5 as a decimal? Round your answer to three decimal places. - Half-hour

How many minutes are in 1/2h (in a half hour)?

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