8,456 - ? = 3,580

1. 2,698

2. 4,586

3. 4,876

4. 5,016

Fill in the blanks :

(i) 156 x 48 - 156 x 38 = ……………

(ii) 76 x 53 + 76 x 47 = ……………

(iii) 138 x 67 + 62 x 67 = ……………

(iv) 4 x 269 x 25 = ……………

(v) There are …………… whole numbers up to 40.

(vi) …………… is the whole number which has no predecessor.

Write T for true and F for false statement :

Subtraction is associative on natural numbers.

Write T for true and F for false statement :

In whole numbers, the multiplicative identity is 1.