"Quick Cool Math Common Core - Time Challenge Games is Hi speed add, subtract, multiply, divide, a calculator. For children from kindergarten through 1st. 2nd. 3rd. 4th. 5th. 6th grade until high school. Help the development of numbers and the child is familiar and like the computable numbers is not boring.
The advantage to from speed calculator is puzzles or as a brain So we use in daily life quickly, whether in charge charge pay charge lottery, or even to the calculator. Percents, you need to use based on the add, subtract numbers, the more we can surf the formula, multiplication with the help we can calculate very fast up.
Only from the equation calculator correct or wrong. Then press to answer the result of the equation by the 3 level to play is a easy, medium and Hard by each model is different. The timer, fast or slow, difference by for small children, may start from the simple, which has a timer the slowest. And then change to play at the level of more difficult."