Question

Explain how you might solve the following problems mentally

a. 329 + 567
b. 34 +48 + 77 + 66
c. 91-39
d. 502-206
600-246
f. 35 x 19
g. 632 x 4
h. 29 x 12​

Answer 1

a=896

b=225

c=52

d=296

e=354

f=665

g=2528

h=348

Explanation:

Do it in your head.