Fluency in Addition within 100

What does it mean to be fluent in addition?

• Counting on fingers for every problem

• Being able to solve problems slowly

• Solving addition problems quickly and efficiently

• Using a calculator for all problems

If you have 16 and add 13, what is the result?

• 31

• 29

• 28

• 30

How many tens are there in the number 33?

• 1

• 3

• 2

• 4

What is the sum of 25 and 33 using base 10 blocks?

• 58

• 56

• 48

• 60

What is the result of adding 49 and 17 using mental math?

• 68

• 67

• 66

• 65