Problem Solving CA4

There are 51 students at recess. Some students go inside. Now there are 26 students at recess.

How many students went inside?

• 35 students

• 25 students

• 77 students

• 30 students

Mrs. Buchanan's family is scheduled to play 358 games this year.

They still have 237 games to play.

Which number sentence shows how many games they have already played?

• 358 + 237 = ?

• 358 + ? = 237

• ? + 237 = 358

• 237 - ? = 358

Molly wants to collect 538 seashells.

She has collected 273 so far.

Her aunt gave her 28 for her birthday.

How many more seashells does Molly need?

• 237

• 343

• 337

• 363

Jerry needs to read a book that is 25 pages. He has 9 pages left to read.

Which number sentence shows how to find the number of pages he has read?

• 25 + 16 = 9

• 9 - 16 = 25

• 25 - 16 = 9

• 16 - 25 = 9

Mrs. Mac wants to buy a phone that costs $50. She saves $10 each week. How many weeks will it take to save $50?

• 4 weeks

• 5 weeks

• 6 weeks

• 7 weeks

Mrs. Campbell's savings account has $1,000 in it. How could she change her balance to $1,200 in her account?

• She could spend $200.

• She could pay $200.

• She could withdraw $200.

• She could deposit $200.

There were 125 students in the cafeteria.

75 more students came in.

Then, 100 students left.

How many students are still in the cafeteria?

• 300 students

• 200 students

• 100 students

• 0 students

Mrs. Culpepper's class had 382 eagle bucks. They spent some eagle bucks on Friday. They had 191 eagle bucks left.

Which number sentence would tell how many eagle bucks they spent?

• 382 + 191 = ?

• 191 - 382 = ?

• 382 - ? = 191

• 382 + ? = 191