topic badge
India
Class III

Add and subtract three digit numbers II

Interactive practice questions

Evaluate $605+305$605+305 by doing the following.

a

Fill in the box with the missing number.

$605=600+\editable{}$605=600+

b

Fill in the box with the missing number.

$305=\editable{}+5$305=+5

c

Using the answers from the previous parts, solve $605+305$605+305.

Easy
< 1min

Evaluate $306+604$306+604 by doing the following.

Easy
< 1min

Using the fact that $201=200+1$201=200+1 and $309=300+9$309=300+9, evaluate $201+309$201+309.

Easy
< 1min

Using the fact that $250=200+50$250=200+50 and $350=300+50$350=300+50, evaluate $250+350$250+350.

Easy
< 1min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account

Outcomes

3.N.AS.1

Adds and subtracts numbers by writing them vertically in the following two cases: – without regrouping. – with regrouping.

What is Mathspace

About Mathspace