ISBN-13: 9781899618149 / Angielski / Miękka / 1999 / 28 str.
ISBN-13: 9781899618149 / Angielski / Miękka / 1999 / 28 str.
This collection of sixteen clever puzzle pictures offers lots of practice in addition, subtraction, multiplication, and division. For the earlier puzzles, all the numbers are whole numbers. After that they include fractions, decimals, percentages and rationals. It offers a visual and imaginative approach to getting more practice.