Lorraine Mirza Solutions for Chapter: Addition, Exercise 2: Exercise 2.1

$42+$_____$=35+42$

_____$+40=40$

$84+$ _____$=84$

$62+$_____$=49+62$

Draw beads on the abacus and add $36$ and $42$.

Draw beads on the abcus and add $83$ and $15$.

Draw beads on the abacus and add $75$ and $15$.

Draw beads on the abacus and add $82$ and $11$.