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Mental Math

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  • 45000/15
    3000
  • Jamie is twice as old as Dan. Dan is 3 times as old as Kim. If Kim is 4 years old, how old is Jamie?
    24
  • Candy regularly costs $40. What is the cost after a discount of 40%?
    24
  • There is a great sale on clothes at 30% off the marked price. If you are buying a hoodie that is priced at $40.00, how much will you save?
    $12
  • 635x4
    2450
  • 528x3
    1584
  • What measure is larger, 3 cm or 25 mm?
    3cm
  • 132-59
    73
  • Solve for g: 3 - g = 15
    -12
  • 9514-6203
    3311
  • 6000x1200
    7200000
  • Complete the pattern: 4, 1, -2,___ , ____
  • Evaluate: 4 - 6 + 2 ´(3 - 8).
    −12
  • 660-185
    475
  • 468-323
    145
  • 23.62-15.89
    7.73
  • What is the mean of 3, 4, 6, and 7?
    5
  • 76-28
    48
  • Your income is $4000 and your total deductions are $598. Estimate the percent of your income that you pay for deductions.
    15%
  • Bernard works 30 hours at a rate of 25 dollars per hour. What is his gross pay?
    750
  • Your weekly gross pay is $750.00. Your deductions are $243.00. What is your net pay each week?
    $507.00
  • 1250+753
    2003
  • Your friends share and eat 45 candies. If 13 candies remain, what fraction of candies were eaten?
    32/45
  • Which is larger, 0.54 or 39%?
    0.54
  • Mental Math
  • Your daily net pay has increased by 5%. If you originally earned $120, what is your new net pay?
    126.00
  • 650+375
    1025
  • Is an angle of 235° an acute, an obtuse, a right, a straight, or a reflex angle?
    reflex
  • If you pay $30 in CPP for a week, how much do you owe per year?
    1560
  • Carole sells $2400 worth of hats. If each hat costs $40, how many hats did Carole sell?
    60
  • 6.25-3.15
    3.10
  • It costs $4.00 for a package of 3 chocolate bars. Geri spends $20 on chocolate bars. How many chocolate bars does she buy?
    15
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