3rd Grade Add/Sub: CBA#2 Review

Which equation matches the number line shown?

• 904 + 244 = ___

• 904 - 244 = ___

• 904 + 234 = ___

• 904 - 234 = ___

The best estimate of the sum of 132 and 418 is ___.

Hint: Round to the nearest tens

Mrs. Joseph gathered 19 pieces of fruit from her garden. Eight pieces of fruit were oranges and 5 were apples. The rest of the fruit that Mrs. Joseph gathered were peaches. Which of the expressions below shows ways to finding the number of pieces of fruit that were peaches?

• 19 + 8 + 5 =

• 19 + 8 - 5 =

• 19 - 8 - 5 =

• 19 - 8 + 5 =

One thousand children went to the zoo on three days. 376 children with to the zoo on Friday.  510 children went to the zoo on Saturday.  The rest of them went to the zoo on Sunday.  

How many children went to the zoo on Sunday?

There were 140 people at the market.  Each person bought one piece of fruit.  77 people bought an apples and 30 people bought oranges. The rest of the people bought pears. 

How many people bought pears?

The total number of keys on a computer keyboard is 87. 

• There are 26 letter keys and 21 special symbol keys.

• The rest of the keys are function keys.

Which model represents one way to find the number of function keys on the keyboard?

• 
• 
• 
• 

There were 641 roosters, 76 pigs, and 90 cows on a farm. How many more roosters are there than pigs and cows combined?

• 565

• 475

• 166

• 551

A purse cost $184. A pair of shoes that matched the purse cost $212 more than the purse. How much did both items together cost?

• 38

• 580

• 470

• 396

Tags

3.4.A

Gabe needs $800 to buy a new computer. He earned $165 this month and $215 last month. How much more does Gabe need?

• $100

• $240

• $380

• $420

The list shows the number of trees Isaiah planted in three years.

He planted 521 trees in the first year.

He planted 387 trees in the second year.

He planted 438 trees in the third year.

Isaiah wants to plant a total of 2,000 trees. How many more trees does Isaiah need to plant?

• 654

• 1,346

• 874

• 764