Three Digit Addition/Subtraction

Use place value to solve the following problem.

200 + 250 = _______

Now look at your sum.

How many hundreds, tens, and ones?

• 4 hundreds, 5 tens, 0 ones

• 4 hundreds, 5 tens, 50 ones

• 4 hundreds, 5 tens, 5 ones

• 4 hundreds, 0 tens, 5 ones

You have two jars of marbles. The number of marbles in your first jar is 3 hundreds and 3 tens. There are 100 marbles in your other jar.

How many marbles total do you have?

• 330

• 520

• 630

• 430

Examine the following equation:

525 + 225 = 700

is the sum correct?

• Correct

• Incorrect

Match the correct equation to the picture.

• 216 + 300 = 516

• 206 + 302 = 508

• 216 + 320 = 536

• 261 + 310 = 571

Solve the problem. Find the missing addend.

810 + n =1455

• 647

• 654

• 645

• 546

Add the base-ten blocks.

yellow blocks + green blocks = _______

• 244

• 403

• 227

• 118

You are having a huge birthday party with your family and friends today! You have 798 hamburgers and 892 hotdogs. How many hamburgers and hotdogs total do you have for your birthday party?

• 1960

• 897

• 778

• 1690

Check the following equation:

940 - 600 = 304

• True

• False

You found 420 seashells at the beach. You gave 200 seashells to your friends at school. How many seashells do you have now?

• 213

• 220

• 210

• 212

check if the sum is correct or incorrect?

803 + 123 = 962

• correct

• Incorrect