Question

make ten more such example of addition, subtraction and estimaition of their outcome.​

Answer 1

Therefore, estimate of 730+998 is equal to 1,700 according to the general rule. Therefore, estimate of 796 – 314 is equal to 500 according to the general rule. Therefore, estimate of 12, 904 + 2,888 is equal to 16,000 according to the general rule.