Question

a. _____ + 239 = 645
b. take away thirteen 7s from 180 _______
QS - 2. put singular or plural sign
a. - 6 _______6
b. 3 _______-2
c. -30______10​

Answer 1

Answer:

(a) 406 + 239 = 645

(b) take away thirteen 7s from 180 = 180 - 7(13)

= 180 - 91

= 89

QS-2. Put singular or plural sign

a. -6 < 6

b. 3 > -2

c. -30 < 10