Place Value: Tens and Ones — Answer Key
Part A: Tens and Ones
Write the missing number on each line.
1. The number 56 has 5 ten(s).
In 56, the tens digit is 5 and the ones digit is 6.
2. The number 56 has 6 one(s).
In 56, the tens digit is 5 and the ones digit is 6.
3. The number 83 has 8 ten(s).
In 83, the tens digit is 8 and the ones digit is 3.
4. The number 83 has 3 one(s).
In 83, the tens digit is 8 and the ones digit is 3.
5. 7 tens and 2 ones = 72.
7 tens = 7 x 10 = 70, plus 2 ones = 72.
6. 5 tens and 9 ones = 59.
5 tens = 5 x 10 = 50, plus 9 ones = 59.
7. 9 tens and 0 ones = 90.
9 tens = 9 x 10 = 90, plus 0 ones = 90.
8. 6 tens and 4 ones = 64.
6 tens = 6 x 10 = 60, plus 4 ones = 64.
Part B: True or False
Read each sentence. Circle True or False.
1. The number 71 has 1 ten.
True False
False — 71 has 7 tens, not 1. The digit 1 is in the ones place.
2. The number 60 has 6 tens and 0 ones.
True False
True — 60 has 6 tens and 0 ones.
3. 4 tens and 8 ones make 84.
True False
False — 4 tens and 8 ones = 48, not 84.
4. The ones digit in 95 is 5.
True False
True — in 95, the ones digit is 5.
5. The number 99 has 9 tens and 9 ones.
True False
True — 99 has 9 tens and 9 ones.