Real numbers + addition - practice problems
Number of problems found: 21
- 5 addition problems
No problem; here are five decimal addition problems for you to practice: 1. What is the result of 3.5 + 2.1? 2. What is the result of 0.8 + 0.3? 3. What is the result of 5.2 + 1.7? 4. What is the result of 2.5 + 0.9? 5. What is the result of 1.4 + 0.6? I - During 2
During the 2006 Olympics, a gymnast received the following scores: 8.9, 9.2, 9.15, and 9.05. What is the sum of the gymnast's scores? - Decadic number What is the expanded form of this number? 18.029 A: (1x10)+(8x1)+(2x1/10)+(9x1/100) B: (1×10)+(8×1)+(2×1/10)+(9×1/1,000) C: (1×10)+(8×1)+(2×1/100)+(9×1/1,000) D: (1×10)+(8×1)+(2×11/00)+(9×1/100)
- Jacqui
Jacqui ran a mile and a half on Monday, Wednesday, and Friday and three-fourths of a mile on Tuesday and Thursday. How far did she run in all? - James 7
James bought a pair of shoes worth 650.00 pesos. eyeglasses that cost PHP 86.75 and some school supplies worth PHP 538.95. How much did he spend in all? - Number sum comparison
How many times is the number 0.045 greater than the sum of 0.006 and 0.003? - Difference of a half
Calculate three times the half difference of 7.5 and 2.1, - Number difference
Calculate the difference between the sum of the numbers 1.04 and 0.56 and the product of the numbers opposite to them. - Expression values
Determine the values of the following expressions: a) 3² - (- 4) b) 4-321 c) -32-7 - Number sum
What is 2/3 of the sum of numbers (0.10) and (-5.3)? - The sum 10
The sum of the three decimals is 938.629. Two of them are 456.54 and 392.69. Find the third one. - Necklaces
Mohammad sells beaded necklaces. Each large necklace sells for $4.50, and each small necklace sells for $4.10. How much will he earn from selling five large necklaces and four small necklaces? - Overnight change
It was 13 °C yesterday, but the temperature changed by -18.6° overnight. What is the temperature now? - Chose
Chose Juan bought three pieces of watermelon. If the three watermelons weigh 2.2103 kilograms, 3.0214 kilograms, and 2.6682 kilograms, how many kilograms of watermelons did Chose Juan buy? - Items
Items A costs 675.35 while item B costs 1605.25. How much more was the cost of item B than item A? How much would you pay if you purchased items A and B? - Jana and Eva
Jana and Eva practised decimals. Jana made up a decimal number, and Eva always added three times that number to it. The first number consisted only of ones (i.e., it ended in the hundredths place and had 5 digits). The second number had twice as many deci - ZOO 2
Valerie bought tickets for the family to the zoo. She bought three adult tickets for $9.50 each and two children's tickets for $4.50 each. How much did the tickets cost Valerie in all? - Josh works
Josh works mowing lawns and babysitting. He earns $7.20 an hour for mowing and $6.80 an hour for babysitting. How much will he earn for 1 hour of mowing and 6 hours of babysitting? - Sum calculation Calculate the second sum if you know that one sum is -124.6 and the resulting sum is (-200).
- Imaginary numbers
Find two imaginary numbers whose sum is a real number. How are the two imaginary numbers related? What is their sum?
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