Square numbers and a few tasks from the big 1x1, 4. - 5. Class

-Card size 4.5 x 4.5 cm - Contents: 63 learning cards, - 1 writing pad - Suitable for use - for home practice - for training in remedial classes - for differentiation measures in class Math playing cards for students at the end of the 4th grade. - 5. Class.  For learning square numbers and the large 1x1 with two-digit numbers. What is a square number? A square number is a number that is created by multiplying a natural number (whole number) with itself. Even numbers make even square numbers and odd numbers make odd square numbers. e.g.B.:3 · 3 = 9 z.B.:4 · 4 = 16 Calculate the large 1 x 1 faster by practicing multiplication problems of two-digit numbers. The solution to each task is on the back of the card.