Addition
Subtraction
Estimate by Rounding
Missing Value
Word Problems
100

81 + 19 = ? 

100

100

85 - 53 = ?

32

100

Round to the nearest ten

74 + 26 = ?

70 + 30 = 100

100

100

250 - ______ = 190

60

100

Kenzie was decorating a Christmas tree at home. Her family had 218 ornaments. However, Kenzie's mom went out and bought 99 more. How many ornaments will be on Kenzie's Christmas tree in total? 

There are 317 ornaments on Kenzie's Christmas tree.

200

293 + 79 = ?

372

200

817 - 53 = ?

764

200

Round to the nearest ten

283 + 472 = ?

280 + 470 = 750

200

182 + _______ = 231

49

200

Mars and Logan built 301 snowman together. The next day, the sun came out and 74 snowman melted. How many snowman remained? 

227 snowman were left. 

300

932 + 289 = ?

1221

300

507 - 279 = ?

228

300

Round to the nearest hundred

409 + 350 = ?

400 + 400 = 800

800

300

__________ - 203 = 408

611

300

Sam, Tripp, Nathan, and Cohen decided to have a snowball fight. Each of them made 9 snowballs. how many snowballs were there altogether?

9 x 4 = 36

There were 36 snowballs in total.

400

9384 +743 = ?

10, 127

400

700 - 392 = ?

308

400

Round to the nearest hundred

3271 + 4381 = ?

3300 + 4400 = 7700

7700

400

800 - _______ = 83

717

400

Six classes attended the play Oliver Jr. yesterday. Ms. McCarvill's class had 22 students attend. Ms. McNicholl's class had 18, Mme. Spargo's class had 27, Mme. Simpsons class had 27 as well, and Mme Axon brought 25 students. Lastly, Mrs. Berger took her 25 students to watch as well. How many students attended in total?

144 students watched yesterday's play. 

500

812 + 2838 + 4406 = ?

8056

500

6000 - 2839 = ?

3161

500

Round to the nearest thousand 

7520 + 2613 = ?

8000 + 3000 = 11,000

11,000

500

2000 - _________ = 478

1522

500

Ms. McCarvill went to Costco and bought a variety pack of socks. In the package, there were 9 pairs of white socks. There were six more pairs of grey socks then white socks. There were double the amount of black socks as grey socks. Lastly, there were three fewer brown socks than black socks. How many socks came in the package Ms. McCarvill purchased?

There were 81 pairs of socks in the package Ms. McCarvill purchased.