Integers - 5th grade (10y) - math problems

  1. Evaluate expression
    plusminus If x=2, y=-5 and z=3 what is the value of x-2y
  2. Evaluate 5
    parabola2 Evaluate expression x2−7x+12x−4 when x=−1
  3. Evaluate - order of ops
    expr Evaluate the expression: 32+2[5×(24-6)]-48÷24 Pay attention to the order of operation including integers
  4. In about
    teplomer In about 12 hours in North Dakota the temperature rose from -33 degrees farenheit to 50 degrees farenheit. By how much did the temperature change?
  5. Expression plus minus
    numbers_49 Evaluate expression: (-1)2 . 12 – 6 : 3 + (-3) . (-2) + 22 – (-3) . 2
  6. Dozen
    plusminus_13 What is the product of 26 and 5? Write the answer in Arabic numeral. Add up the digits. How many of this is in a dozen? Divide #114 by this
  7. The temperature
    teplomer_26 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?
  8. Expression 6
    numbers2_48 Evaluate expression: -6-2(4-8)-9
  9. Triangles
    496_triangle Ivo wants to draw all the triangles whose two sides of which have a length of 4 cm and 9 cm and the length of the third side is expressed in whole centimeters. How many triangles does he have?
  10. Thermometer
    teplomer_2 thermometer showed -12 degrees Celsius at the morning then the temperature rises by 4 degrees and later again increased by 2 degrees at the evening has fallen by 5 degrees and then fall 3 degrees. What end temperature does the thermometer show?
  11. Balance of account
    usd_6 Theo had a balance of -$4 in his savings account. After making a deposit, he has $25 in his account. What is the overall change to his account?
  12. Product of the sum and difference
    numbers2_26 Calculate the product of the sum and difference of numbers -7 and -2.
  13. Clotheslines
    snura Mommy needs 6 clothesline 360 cm long. Clotheslines is sold in the length of eight meters. How many of these clotheslines must buy mom if any does not want to be connected? How much mommy pay for the clotheslines when 1 piece costs 24kč?
  14. Value
    primefactor2 Determine the value of the following exspressions: a) (23-25)·(4-5) b) (97-123):(18+8)
  15. Freezer
    teplomer Temperature is -8 degrees Celsius in the freezer. Outside temperature is 2 degrees Celsius. One minute took to change temperature by one degree Celsius if we open door. How many minutes the temperature in the freezer will rise?
  16. With bracket
    expr Calculate (evaluate) simple mathematical expression with a negative numbers and a bracket: 13+15*5-2*(-6)
  17. Remainders
    dividing It is given a set of numbers { 170; 244; 299; 333; 351; 391; 423; 644 }. Divide this numbers by number 66 and determine set of remainders. As result write sum of this remainders.
  18. Integers
    calculator_mechanical May be the sum of two integers less than their difference?
  19. Thermometer
    snehuliak The thermometer showed -3°C at morning. Then temperature was increased by 1°C again increased by 1°C and then decreased by 1°C and then decreased by 4°C. Which terminal temperature thermometer shows?
  20. Mistake
    minus Nicol mistake when calculate in school. Instead of add number 20 subtract it. What is the difference between the result and the right result?

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