Addition Two Digit Regrouping

Find the sum of the numbers using the base 10 blocks. 

• 81
• 89
• 99
• 91

Find the sum of 59 and 34 

• 83
• 93
• 85
• 25

268 + 209

• 477

• 429

• 327

• 526

245 + 558 =

• 802

• 7,913

• 803

• 313

2nd grade collected 235 cans for the food drive. 3rd grade collected 155 cans. 4th grade collected 258 cans.  How many cans did 2nd and 4th grade collect? 

• 380
• 390
• 493
• 483

When I am adding two digit numbers I start with the number in the ones place and then add the number in the tens place.  

• True
• False

What sum is represented on the number line?

• 33
• 37
• 11
• 42

What sum is represented on the number line?

• 59
• 58
• 69
• 60

If there are 33 birds and 18 more fly over, how many birds are there now?

• 41
• 38
• 45
• 51

What is the answer to an addition sentence or equation called?

• addend

• estmate

• sum

• unknown

• reasonable