Common Core: 1st Grade Math : Number & Operations in Base Ten
Study concepts, example questions & explanations for Common Core: 1st Grade Math
All Common Core: 1st Grade Math Resources
Example Questions
Example Question #8 : 11 To 19 Are Composed Of A Ten And One, Two, Three, Four, Five, Six, Seven, Eight, Or Nine Ones: Ccss.Math.Content.1.Nbt.B.2.B
What number is ten and zero?
Ten and zero means the same thing as 
Example Question #1 : 11 To 19 Are Composed Of A Ten And One, Two, Three, Four, Five, Six, Seven, Eight, Or Nine Ones: Ccss.Math.Content.1.Nbt.B.2.B
What number is ten and nine?
Ten and nine means the same thing as 
Example Question #11 : 11 To 19 Are Composed Of A Ten And One, Two, Three, Four, Five, Six, Seven, Eight, Or Nine Ones: Ccss.Math.Content.1.Nbt.B.2.B
What number is ten and one?
Ten and one means the same thing as 
Example Question #111 : Understanding Place Value
What number is ten and five?
Ten and five means the same thing as 
Example Question #1 : Numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 Refer To One, Two, Three, Four, Five, Six, Seven, Eight, Or Nine Tens: Ccss.Math.Content.1.Nbt.B.2.C
How many tens are in the number
Ten
Two
Five
One
Six
One
There is a 
Example Question #1 : Numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 Refer To One, Two, Three, Four, Five, Six, Seven, Eight, Or Nine Tens: Ccss.Math.Content.1.Nbt.B.2.C
How many tens are in the number
Three
Five
Thirteen
Four
Thirty
Three
There is a 
Example Question #2 : Numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 Refer To One, Two, Three, Four, Five, Six, Seven, Eight, Or Nine Tens: Ccss.Math.Content.1.Nbt.B.2.C
How many tens are in the number
Twelve
Three
One
Twenty
Two
Two
There is a 
Example Question #3 : Numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 Refer To One, Two, Three, Four, Five, Six, Seven, Eight, Or Nine Tens: Ccss.Math.Content.1.Nbt.B.2.C
How many tens are in the number
Six
Five
Four
Forty
Fourteen
Four
There is a 
Example Question #1 : Numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 Refer To One, Two, Three, Four, Five, Six, Seven, Eight, Or Nine Tens: Ccss.Math.Content.1.Nbt.B.2.C
How many tens are in the number
Six
Five
Fifty
Seven
Three
Five
There is a 
Example Question #2 : Numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 Refer To One, Two, Three, Four, Five, Six, Seven, Eight, Or Nine Tens: Ccss.Math.Content.1.Nbt.B.2.C
How many tens are in the number
Four
Six
Sixty
Eighty
Eight
Eight
There is a 
All Common Core: 1st Grade Math Resources
