Find Unknown Number Add and Subtract

Q. 1) Addition means

• Take away things

• Putting things altogether

• Distributing the things

• None of the above

Q.2) For adding 9, we first add 10 and then subtract 1.

• False

• True

Q.3) Solve: 345 - 200 = ?

Q.4) Choose all the correct combinations of 1000.

• 250 + 250 + 500

• 100 + 900

• 350 + 850

• 700 + 200 +100

Q.5) Select the right way of addition by Partitioning Strategy.

• 45 + 56 = 45 + 50 + 6

• 45 + 56 = 45 + 60 + 5

• 45 + 56 = 45 + 100 +1

• 45 + 56 = 45 + 25 + 25 + 1

Q.6) Solve: 400 + 50 = ?

Q.7) Carol saw 400 snails on the sidewalk and 200 snails in the grass. How many snails did Carol see? What operation should you use to solve this problem?

• Subtraction

• Addition

• Multiplication

• Division

Q.8) Randy Rabbit had 458 carrots. He ate 100 carrots. How many carrots are left now?

• 332

• 358

• 558

Q.9) Which number you will fill in the box?

• 58

• 55

• 50

• 5

Q.10) Solve: 5 + 9 + 5 + 15 = ?