2nd Grade Review: Key Concepts and Skills

What tool is used with the spinner to solve the math problems?

• A calculator

• A ruler

• A paper clip

• A pencil

Tags

CCSS.HSS.MD.B.6

CCSS.HSS.MD.B.7

What operation do the keywords 'total' and 'in all' indicate?

• Multiplication

• Subtraction

• Addition

• Division

Tags

CCSS.3.OA.D.8

What is the sum of 8 and 8?

• 20

• 18

• 16

• 14

Tags

CCSS.1.OA.A.1

How do you simplify adding 9 by using mental math?

• Subtract one from ten

• Multiply by nine

• Add ten and subtract one

• None of the above

What is the result of 14 plus 9 using the mental math trick for nines?

• 22

• 25

• 23

• 24

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

What does the keyword 'all together' suggest in a math problem?

• Subtraction

• Division

• Comparison

• Addition

Tags

CCSS.3.OA.A.3

What is a combination of ten that includes the number 8?

• 5 + 5

• All of the above

• 2 + 8

• 6 + 4

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

How do you solve 2 + 8 + 2 using combinations of ten?

• 10

• 14

• 12

• 16

Tags

CCSS.2.OA.A.1

What is the sum of 6 + 7 using the mental math trick for doubles?

• 12

• 13

• 14

• 15

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

What is the sum of 5 + 5 + 4 + 3?

• 18

• 20

• 15

• 17

Tags

CCSS.1.OA.A.1