3-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 = 300

How can you use addition to check if the sum is correct or incorrect?

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OFF

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 = 400

• 140

• 340

• 110

• 410

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 170 hamburgers and 117 hotdogs. How many hamburgers and hotdogs total do you have for your birthday party?

• 117

• 287

• 170

• 728

Check the following equation:

940 - 600 = 304

• True

• False

You found 420 seashells at the beach. You gave 210 seashells to your friends at school. How many seashells do you have now?

• 630

• 420

• 210

• 130

Evaluate the problem below. How can you use subtraction to check if the sum is correct or incorrect?

803 + 123 = 926

Evaluate responses using AI:

OFF