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

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

• Multiplication

• Subtraction

• Addition

• Division

What is the sum of 8 and 8?

• 20

• 18

• 16

• 14

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

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

• Subtraction

• Division

• Comparison

• Addition

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

• 5 + 5

• All of the above

• 2 + 8

• 6 + 4

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

• 10

• 14

• 12

• 16

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

• 12

• 13

• 14

• 15

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

• 18

• 20

• 15

• 17