Numbers - practice for 11 year olds - page 2 of 89
Number of problems found: 1764
- Chemical experiment
For an experiment, a chemical solution starts at a temperature of 25°C, falls to −3°C, rises to 15°C and then falls again to −8°C. What is the total change in temperature? Add all the changes together for each rise and fall. - Deposits and withdraw
Riza made the following deposits in the bank: 1,250.90, 850.05, 1,350.25, and 890.15. She will withdraw 1,250.60 for her tuition and 265.150 for her books. How much of her money will be left? - James 7
James bought a pair of shoes worth 650.00 pesos. Eyeglasses that cost p 86.75 and some school supplies worth p 538.95. How much did he spend in all? - Money balance
At the beginning of the month, Hector had $52.43 saved up. He then earned $16.94 doing chores and spent $20.35 at the mall. How much money does he have now?
- John bought
John bought a set of PE uniforms for $ 850.75, a school polo for $ 325.25, and pants for $ 480.50. How much change did he get for his $ 2,000.00? - Wang bought
Wang bought a box of a facemask at php 150.75 and a piece of a face shield at php 37.45. How much change did she get for her php 500 peso bill? - Town hiking club
There are 36 people in the new town hiking club. 2/3 of the club must say YES if the club is to hike the Northern trail. Twenty people have voted YES. How many more YES votes are needed? - The temperature 44
The temperature when Jana woke up this morning was −5 degrees. By lunchtime, it has warmed up, and the thermometer read 20 degrees. How many degrees warmer was it at lunchtime than when she had woken up? - Ross is
Ross is using his understanding of place value to divide the decimal 72.56 by the decimal 0.2 Which of the division problems shown could he solve to give him the same answer? A. 7,256 divided by 0.2. B. 725.6 divided by 2. C. 72.56 divided by 2. D. 7,256
- Martha 4
Martha is making cookies for a birthday party. Her cookie recipe calls for 1/2 cup of sugar for one batch of cookies. If Martha wants to triple her recipe, how much sugar will she need? - At 7:00
At 7:00 AM, Peter took a reading of the outside temperature of 40℉. During the day, the temperature dropped 9℉, rose 5℉, and then dropped again another 2℉. What was the outside temperature at after his last reading? - Prawns and carbs
I buy 3 1/4 kg of prawns and 4 2/5 kg of carbs. 1 kg of prawns is RM 24 and 1 kg of carbs is RM 10. If I pay RM 50, what is my change? - Mother 16
Mother cooks food in 1 3/4 hours and prepares the children's snack in 4/6 of an hour. How much longer does she cook the food than prepare the children's snacks? - Mike withdrew
Mike withdrew $60 dollar sign, 60 from his bank account 3 times. What is the change in Mike's account balance after all 3 withdrawals?
- An electrician 4
An electrician buys a 100 m length of 3 mm electrical cable. By the end of the week, he had used up 35.5 m of the total length. How much of the cable is left? - Rohans purchase
The cost of a pen is ₹ 15 ¾ and a pencil for ₹ 4 ¼. If Rohan purchased 3 pens and 12 pencils, which items cost him more and by how much? - Evaluate with brackets
Find the Error - tell what the mistake is 6[(4 + 9) - 32] ÷ 2 6[13-32]÷2 6[13-9]÷2 6[9]÷2 6[4.5] 27 - 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) - At noon 5
At noon, the temperature in New Crampton, California, was 31°F. By midnight, the temperature had fallen to 14°F. What was the change in temperature over the 12-hour period?
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