2nd Grade Math Unit 2 Review

Number Patterns

100

What number will complete the pattern?

20, 25, ___, 35, 40

a. 15

b. 25

c. 30

c. 30

200

What number will complete the pattern?

210, 310, ____, 510

a. 320

b. 410

c. 500

b. 410

300

What number will complete the pattern?

65, 75, ___, 95

85

400

What number will complete the pattern?

378, 388, 398, ____

408

500

What number will complete the pattern?

471, 371, 271, ____

171

Groups of Numbers

100

William has an even number of toy cars and an odd number of toy trucks.  Choose the group of cars and trucks that belong to William.

a. 12 cars and 8 trucks

b. 9 cars and 10 trucks

c. 14 cars and 7 trucks.

c. 14 cars and 7 trucks

200

Paylee has an even number of markers and an even number of crayons.  Choose the group of markers and crayons that belong to Paylee.

a. 10 markers and 12 crayons

b. 11 markers and 10 crayons

c. 14 markers and 11 crayons. 

a. 10 markers and 12 crayons

300

Write the number 713 using only tens and ones.

a. 70 tens and 13 ones

b. 71 tens and 3 ones

c. 713 tens and 0 ones

b. 71 tens and 3 ones

400

Write the number 683 only using tens and ones.

a. 68 ones and 3 tens

b. 68 tens and 3 ones

c. 6 ones and 83 tens 

b. 68 tens and 3 ones

500

Write the number 483 only using tens and ones.

48 tens and 3 ones 

Number Forms

100

Which is the correct word form of 429?

a. four two nine

b. four twenty-nine

c. four hundred twenty-nine

b. four hundred twenty-nine

200

Which is the correct word form for 307?

a. three hundred seventy

b. three seven

c. three hundred seven

c. three hundred seven

300

Which is the correct expanded form for 782?

a. 7 + 8 + 2

b. 700 + 80 + 2

c. 7 + 80 + 200

b. 700 + 80 + 2

400

What is the expanded form for the number 874?

800 + 70 + 4

500

Write the number 609 in expanded form. 

600 + 0 + 9 

OR 

600 + 9

Number Values

100

What is the value of the 6 in the number 630?

a. 600

b. 60

c. 6

a. 600

200

What is the value of the 7 in the number 117?

a. 700

b. 70

c. 7

c. 7

300

Which number includes the value of 50?

a. 315

b. 351

c. 531

b. 351

400

What is the value of the 8 in the number 482?

80

500

What is the value of the nine in two hundred ninety-six?

ninety 

OR

90

Comparing Numbers

100

Emma-Grace and Hudson collect stamps. Emma-Grace has 327 stamps. Hudson has 372 stamps.

Hudson says he has more stamps than Emma-Grace. Is he correct? Explain how you know.

Hudson is correct. They both have 3 hundreds but Hudson has 7 tens and Emma-Grace has only 2 tens.

200

Jax and Sophia collect rocks. Jax has 173 rocks. Sophia has 117 rocks.

Sophia says she has more rocks than Jax. Is she correct? Explain how you know.

Sophia is NOT correct. They both have 1 hundred but Jax has 7 tens and Sophia has only 1 ten.

300

Which symbol (<, >, or =) makes each comparison true?                                                                   278 _____ 287        and        429 ____ 400 + 20 + 9

a. >  and  <         b. =  and  <         c. <  and  =

c. <  and  =

400

Kennedy had 222 Pokémon cards.  Kailey had 218 Pokémon cards .

Kennedy gets 3 more cards. Kailey gets 10 more cards.

Who has more cards now? Explain how you know.

Kailey has more cards because 218 + 10 = 228. 

Kennedy's 222 + 3 = 225.

500

Rylan had 321 stickers.  Riley had 328 stickers.

Rylan gets 10 more stickers. Riley gets 2 more stickers.

Who has more stickers now? Explain how you know.

Rylan because 321 + 10 = 331

and

Riley's 320 + 2 = 322.