Maths Challenge is a series of mental maths tests for 1st to 6th class. Maths Challange Tests will encourage the use of higher order thinking and problem solving skills. The tests take into account the age levels and abilities of the children. nThese books have been designed to improve mental arithmetic skills but at the same time reinforce the concepts of number, space, time and measurement. The language has been simplified to take due cognisance of the children's reading level. n