Adding Two and Three Digit Numbers

addend

• to increase

• answer to an addition problem

• numbers added together in an addition problem

• to show

expanded notation means...

• using sum to find the value of each digit multiplied by its place value.

• equation using numbers and symbols

• break apart numbers by its value

• to increase

Allison added 157 to 296 and got 343.
This is not the correct answer.
What did Allison do wrong?

• She did not regroup

• She subtracted

• She multiplied

• She did not add the hundreds place

What is the smallest sum you can make by adding two of the numbers below?
268     275     242     259

• 501

• 491

• 645

• 543

Mina's class collects 368 cans to recycle.
Will's class collects 254 cans.
How many cans do the classes collect altogether?

• 300 + 60 + 8 = 368

• 500 + 120 + 12 = 632

• 500 + 110 + 12 = 51112

• 500 + 110 + 12 = 622

What is the greatest sum you can make by adding two of the numbers below?
268     275     242     259

• 534

• 433

• 645

• 543

Mina's class collects 368 cans to recycle.
Will's class collects 254 cans.
How many hundreds are there in all?

• 500

• 300

• 200

• 400

100+100+100+100+20

• 430

• 400

• 700

• 420

Which number sentence matches?

• 6 + 10

• 33 + 46

• 303 + 40

After we complete the ones place, what do we add now?

• Add the ones place.

• Add the hundreds place.

• Add the tens place.