Understanding Tens - 1st Grade Math
Card 1 of 15
What number is shown by $10$ ones and $0$ tens?
What number is shown by $10$ ones and $0$ tens?
Tap to reveal answer
$10$. Ten ones equals one ten, which is 10.
$10$. Ten ones equals one ten, which is 10.
← Didn't Know|Knew It →
Identify the correct statement about $10$: is it $10$ ones or $1$ hundred?
Identify the correct statement about $10$: is it $10$ ones or $1$ hundred?
Tap to reveal answer
$10$ is $10$ ones (and also $1$ ten). Ten can be expressed as either form.
$10$ is $10$ ones (and also $1$ ten). Ten can be expressed as either form.
← Didn't Know|Knew It →
What does the digit $0$ mean in the number $10$?
What does the digit $0$ mean in the number $10$?
Tap to reveal answer
It means $0$ ones. The 0 is in the ones place, showing no extra ones.
It means $0$ ones. The 0 is in the ones place, showing no extra ones.
← Didn't Know|Knew It →
What does the digit $1$ mean in the number $10$?
What does the digit $1$ mean in the number $10$?
Tap to reveal answer
It means $1$ ten. The 1 is in the tens place, showing one group of ten.
It means $1$ ten. The 1 is in the tens place, showing one group of ten.
← Didn't Know|Knew It →
What is the place-value name for the digit in the tens place of $10$?
What is the place-value name for the digit in the tens place of $10$?
Tap to reveal answer
The tens place. The left digit in 10 represents groups of ten.
The tens place. The left digit in 10 represents groups of ten.
← Didn't Know|Knew It →
What is the value of $1$ ten written as a number?
What is the value of $1$ ten written as a number?
Tap to reveal answer
$10$. One ten has the same value as ten ones.
$10$. One ten has the same value as ten ones.
← Didn't Know|Knew It →
What number of ones are in exactly $1$ ten?
What number of ones are in exactly $1$ ten?
Tap to reveal answer
$10$ ones. By definition, one ten equals exactly ten ones.
$10$ ones. By definition, one ten equals exactly ten ones.
← Didn't Know|Knew It →
What is a “ten” when you bundle ones in base-ten blocks?
What is a “ten” when you bundle ones in base-ten blocks?
Tap to reveal answer
A ten is a bundle of $10$ ones. In place value, we group 10 single units into one larger unit.
A ten is a bundle of $10$ ones. In place value, we group 10 single units into one larger unit.
← Didn't Know|Knew It →
Find the missing value: $1$ ten $=$ $\square$ ones.
Find the missing value: $1$ ten $=$ $\square$ ones.
Tap to reveal answer
$10$. One ten always equals 10 ones.
$10$. One ten always equals 10 ones.
← Didn't Know|Knew It →
If you have $10$ ones, what can you trade them for in base-ten blocks?
If you have $10$ ones, what can you trade them for in base-ten blocks?
Tap to reveal answer
Trade $10$ ones for $1$ ten. This exchange shows the equivalence of place values.
Trade $10$ ones for $1$ ten. This exchange shows the equivalence of place values.
← Didn't Know|Knew It →
How many tens are in $20$ ones?
How many tens are in $20$ ones?
Tap to reveal answer
$2$ tens. Every 10 ones can be grouped into 1 ten.
$2$ tens. Every 10 ones can be grouped into 1 ten.
← Didn't Know|Knew It →
How many ones are in $2$ tens?
How many ones are in $2$ tens?
Tap to reveal answer
$20$ ones. Each ten contains 10 ones, so 2 tens = 20 ones.
$20$ ones. Each ten contains 10 ones, so 2 tens = 20 ones.
← Didn't Know|Knew It →
What number is shown by $3$ tens and $7$ ones?
What number is shown by $3$ tens and $7$ ones?
Tap to reveal answer
$37$. Three tens (30) plus 7 ones equals 37.
$37$. Three tens (30) plus 7 ones equals 37.
← Didn't Know|Knew It →
What number is shown by $2$ tens and $0$ ones?
What number is shown by $2$ tens and $0$ ones?
Tap to reveal answer
$20$. Two tens equal 20, with no extra ones.
$20$. Two tens equal 20, with no extra ones.
← Didn't Know|Knew It →
What number is shown by $1$ ten and $0$ ones?
What number is shown by $1$ ten and $0$ ones?
Tap to reveal answer
$10$. One ten equals 10, with no extra ones.
$10$. One ten equals 10, with no extra ones.
← Didn't Know|Knew It →