Learn how to do mental calculations up to 8 digits x 8 digits. Learn all the steps in the tutorial section and then practice and see how you compare in game center to hundreds of other users who have already learned the technique. The application gives you immediate feedback helping you improve your mental multiplication abilities.

Cross Multiply Mental Calculation alternatives

Arithmetic Genius - multiplication and division practice for all ages

Improve your childs multiplication and division now Arithmetic Genius (pack 2) is a new way to practise times tables and division, and boost your childs confidence with mathematics. Students find numeracy challenging because there is insufficient focus in schools on learning and memorizing number facts. * Relevant to the primary mathematics curriculum (encouraging counting on and back, adding / subtracting tens and units, remembering number facts, using number and number bonds, doubles and near doubles, and using place value).

  • size 15.2 MB

MentCalc

MentCalc: a mental math trainer for speed arithmetic enthusiasts This application is targeted to those who want to develop a better sense of numeracy. How quickly can you multiply 36 x 27 in your head? Thank you

  • size 5.1 MB

Mental Math Speed Challenge

Race against the clock and try to set the fastest time in this fun and exciting new game. Mental Math Speed Challenge is designed to improve your math skills no matter what your current abilities are. Features:- Addition, Subtraction, Multiplication, Division, and Challenge game modes.- Easy, Medium, and Hard difficulty settings.- Practice mode so you can work on specific numbers.- Help button for wrong answers in practice mode.- Game Center leaderboards and achievements.- Records section for top 10 fastest times.- Statistics section to keep track of games played, average time, and accuracy.- Customizable settings and preferences.

  • rating 4.0
  • size 20.8 MB

Mathematricks

Do you want to do quick calculations for large numbers ? Are you getting less grades in maths ? Write 2.

  • size 19.0 MB

Tricksy - Smart Math Tricks

Tricksy is a universal app that allows you to solve many math operations in a simple way, by applying untraditional techniques. This app includes more than 60 lessons classified into these domains: Addition, subtraction, multiplication, division, percentage and power. Besides the lessons, tricksy includes some useful tools for calculation, in which students can benefit, and may apply them during their school domain.~The included tricks are: Addition: Adding two-digit numbers like ab + ba Adding 2 fractions like 1/a + 1/b Adding a sequence of odd numbers beginning by 1: 1 + 3 + 5 + + 2n-1 Adding a sequence of even numbers beginning by 2: 2 + 4 + 6 + + 2n Adding a sequence from 1 to any number and back to 1 again: 1 + 2 + 3 ++ X ++ 3 + 2 +1 Adding a sequence of doubles: X + 2X + 2X + 2X + + 2X ( Locked ) Subtraction: Subtracting two-digit numbers like ab ba Subtracting 2 fractions like 1/a 1/b Subtracting 2 fractions like c/a c/b Subtracting 2 fractions like (a 1)/a (b 1)/b Subtracting three-digit numbers like abc cba ( Locked ) Subtracting the squares of two numbers differing by 2: X (X2) ( Locked ) Multiplication: Any number 5 Two digit number 11: ab 11; a + b < 10 Two digit number 11: ab 11; a + b 10 Any number 9 The repeated #1s the repeated #9s having the same # of digits: 1111 9999 The repeated #1s 12: 1111 12 ( Locked ) The repeated #1s 13: 1111 13 ( Locked ) The repeated #1s 14: 1111 14 ( Locked ) The repeated #1s 15: 1111 15 ( Locked ) The repeated #1s 16: 1111 16 ( Locked ) The repeated #1s 17: 1111 17 ( Locked ) The repeated #1s 18: 1111 18 ( Locked ) The repeated #1s 19: 1111 19 ( Locked ) Consecutive decade ending in 5: a5 b5; b = a + 1 ( Locked ) Two 2-digit numbers with same 10s digit: ab ac; b + c = 10 ( Locked ) Two 2-digit numbers with same 10s digit: ab ac; b + c 10 ( Locked ) Two 2-digit numbers with same 1s digit: ab cb; a + c = 10 ( Locked ) Two 2-digit numbers with same 1s digit: ab cb; a + c 10 ( Locked ) Division: Any number 5 Any number 50 Any number 25 Any number 250 Any number 125 Repeating 3-digit number 37: aaa 37 Any number 40 ( Locked ) Any number 15 ( Locked ) Any number 35 ( Locked ) Percentage: 50% of a number 25% of a number 20% of a number 33.33% (33%) of a number 5% of a number ( Locked ) 2.5% (2%) of a number ( Locked ) 40% of a number ( Locked ) 60% of a number ( Locked ) 70% of a number ( Locked ) 75% of a number ( Locked ) 45% of a number ( Locked ) 15% of a number ( Locked ) Power: Number made up of 1s: (1111) ; number of digits < 10 Number made up of 3s: (3333) ( Locked ) Number made up of 6s: (6666) ; 1 < number of digits ( Locked ) Number made up of 9s: (9999) ; 1 < number of digits ( Locked ) Two digit number beginning with 5: (5a) ( Locked ) Two digit number ending with 5: (a5) ( Locked ) Challenge your brain to think efficiently while having fun with our smart math tricks Follow Us on Facebook: TricksyApp& Twitter: @hassantaleb90

  • size 18.2 MB