1. Arnold Tutoring

    RETIREMENT 101: This is clearly just a back of the ✉️ calculation to give a rough estimate of what you might need to retire one day . Apologies to all of our financial advisor friends if this undermines your talents 😂😂😉 But seriously , quick mental math strategies like this can help alleviate the stress that is often associated with personal finance and help simplify what is usually an . . .

  2. Arnold Tutoring

    #TeachingTuesday this week features a textbook example where you do NOT need a calculator ! Assuming this answer is an integer , we know how to narrow it down to two possible solutions . Step 1: focus on the last digit . This answer must end in a 4 or a 6 because the square ends in a 6 . Step 2: use mental math to determine the two multiples of 10 that the answer must fall between . Step 3: put those . . .

  3. All Prints‏ 

    Faced difficulties in making students understand mental Math? Here’s a trick to easily square a two-digit number that ends in 5 . هل واجهتك مشكلات في شرح العمليات الرياضية الذهنية للطلاب؟ إليك طريقة مبتكرة لحساب مربع عدد مكون من رقمين ينتهي بالعدد 5 . #AllPrints #Math #MentalMath