Elementary Arithmetic on PCElementary Arithmetic, coming from the developer Pella Workroom, is running on Android systerm in the past. No more eyeing the battery or frustrating calls at the wrong time any more.Just enjoy Elementary Arithmetic PC on the large screen for free！Elementary Arithmetic IntroductionElementary Arithmetic is an educational App to develop the skill to perform the basic arithmetic operations: Addition, Subtraction, Multiplication, and Division.There are short drills of 10 or 15 operations, grouped by type and level, so the children will practise according to their knowledge and progression. After each drill the operations not responded correctly will be highlighted.The multiplication is organised by the times tables, that could be sorted or unsorted.The main purpose is for children to practice simple arithmetic operations to improve their mental calculations.Addition LevelsLevel 0: both summands 5 or lessLevel 1: both summands 10 or lessLevel 2: result is 20 or lessLevel 3: both summands 50 or less and one of them is multiple of 10Level 4: both summands 50 or less without carryingLevel 5: both summands 50 or lessLevel 6: both summands 100 or less and one of them is multiple of 10Level 7: both summands 100 or lessLevel 8: result is 500 or lessLevel 9: both summands 1000 or lessSubtraction LevelsLevel 0: minuend 5 or lessLevel 1: minuend 10 or lessLevel 2: minuend 20 or less without carryingLevel 3: minuend 20 or lessLevel 4: minuend 50 or less without carryingLevel 5: minuend 50 or lessLevel 6: minuend 100 or lessLevel 7: minuend 1000 or lessAddition & Subtraction LevelsCombination of addition and subtraction levelsMultiplication LevelsTime tables up to 12 and combinedDivision levelsDivision tables up to 12 and combined