Unit 2: Numbers and Operations

Olivia is playing a game. She gets 33 points on her first turn. She gets 29 points on her second turn. She gets 27 points on her third turn. How many points does Olivia score in all?

• 80 points

• 89 points

• I need to subtract

The table shows how many pets Ali counts at the pet store. How many pets are there in all? 26 dogs, 44 cats, 38 rabbits.

• I don't know!

• 90 pets

• 108 pets

• 180 dogs

Tica wants to add 42 + 31 + 59. Which problems shows a way Tica can find the sum?

• 73 + 60

• 1 + 2 + 9 + 40 + 30 + 50

• 50 + 60 + 12

Lu has 372 flowers. She put 287 into baskets to give away. What ways can you find the answer?

• 120

• 85

• 621

Raj has 128 cards. Ed has 274 cards. How many more cards does Ed have? What operation should you use to get the answer?

• addition

• subtraction than addition

• subtraction

• division

Dan wants to know if he should regroup the hundreds to subtract the tens in each problem. What problem will Dan need to regroup the hundreds?

• 852 - 571

• 81 - 7

• 821 -712

Tan works at the library. He has 184 picture books and 152 soft-cover books to put away. How many books does Ethan have to put away in all?

• 36

• 336 books

• 306 papers

Maria has 584 students at her school. Write the number in expanded form.

• 5 hundreds 4 tens and 8 ones

• 50 + 80 + 4

• 500 + 80 + 4

What number is less than 650?

• 640

• 660

• 850

Subtract 56 - 32 =

• 24

• 40

• 6