Using Place Value to Add
Mental Math
Random
Adding 3 Numbers
More Random!
100

Add 35+75

110

100

What is 10 more than 50?

60

100

What month comes after April?

May

100

What is 30+25+10?

65

100

What is today's date?

May 1, 2025

200

Add 10+958

968

200

What is 20 less than 100?

80

200

What is the difference? 250-100

150

200
Add 100+40+20.

160

200

How many days are in May?

31

300

Add 645+28

673

300

Add 100 to 232.

332

300

How many days of school do we have left?

 34

300

What is 68+19+52?

139

300

What is 785 in expanded form?

700+80+5

400

Add 100+85

185

400

Subtract 10 from 980.

970

400

What is the sum of 527+65?

592

400

Add 90+90+90.

270

400
How many sides does an octagon have?

8