Unit 2 Math Review

Emily has 16 apples. How many tens and ones are in the number 16?

• 6 tens and 1 one

• 1 ten and 6 ones

• 16 ones

• 16 tens

Answer explanation

Standard 1.NBT.B.2a

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

John has 4 toy cars. What is 10 more than the number of toy cars John has?

Answer explanation

Standard: 1.NBT.B.2c

Tags

CCSS.1.NBT.C.5

Samantha has 7 red apples, 3 green apples, and 5 yellow apples. How many apples does she have in total?

• 12 Apples

• 15 Apples

• 16 Apples

• 13 Apples

Answer explanation

Standard: 1.OA.A.2

Tags

CCSS.2.OA.A.1

Mark knows that 5 + 6 = 11.

Using this fact, what does he know about 6 + 5?

• 6 + 5 = 11

• 6 + 5 = 10

• 6 + 5 = 15

Answer explanation

Standard: 1.0A.B.3

Tags

CCSS.1.OA.B.3

Sara has 14 toy cars. She gives 6 toy cars to her friend. How many toy cars does Sara have now?

• 12 cars

• 6 cars

• 8 cars

• 9 cars

Answer explanation

Standard 1.OA.A.1

Tags

CCSS.2.OA.A.1

Anna knows that 7 + 8 = 15.

Using this fact, what does she know about 15 - 8?

• 15 - 8 = 6

• 15 - 8 = 23

• 15 - 8 = 15

• 15 - 8 = 7

Answer explanation

Standard: 1.OA.C.6

Tags

CCSS.1.OA.B.3

If you have 16 marbles, how many tens and ones is that?

• 1 ten and 16 ones

• 6 tens and 1 one

• 1 ten and 6 ones

• 16 ones

Answer explanation

Standard: 1.NBT.B.2b

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

If you have 17 candies, what is 10 less than the number of candies you have?

Answer explanation

Standard: 1.NBT.B.2c

Tags

CCSS.1.NBT.C.5

In a class, students were asked about their favorite fruits: apples, bananas, and grapes. The results are as follows: 6 students like apples, 4 like bananas, and 5 like grapes. How many more students like apples than bananas?

• 1

• 10

• 15

• 2

Answer explanation

1.MD.C.4

Tags

CCSS.3.OA.D.8

John has 12 pencils. He gives 4 pencils to his friend. How many pencils does John have now?

• 8 pencils

• 16 pencils

• 12 pencils

• 9 pencils

Tags

CCSS.2.OA.A.1