Place Value: Tens and Ones — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. What is the value of the digit 4 in the number 47?
A) 4
B) 7
C) 40
D) 47
The digit 4 is in the tens place in 47, so its value is 4 × 10 = 40.
2. Which number has 5 tens and 9 ones?
A) 95
B) 59
C) 50
D) 90
5 tens equal 50 and 9 ones equal 9. Adding them gives 50 + 9 = 59.
3. How many tens are in the number 82?
A) 2
B) 82
C) 8
D) 80
In 82, the digit 8 is in the tens place, so there are 8 tens.
4. Which shows 63 in expanded form?
A) 6 + 3
B) 60 + 30
C) 60 + 3
D) 63 + 0
In expanded form, 63 is broken into 60 (6 tens) and 3 (3 ones). So 63 = 60 + 3.
Part B: Fill in the Blank
Write the correct answer on each line.
1. The number 58 = 50 + 8.
In expanded form, 58 is broken into 50 (5 tens) and 8 (8 ones). So 58 = 50 + 8.
2. 7 tens and 4 ones = 74.
7 tens equal 70 and 4 ones equal 4. Adding them gives 70 + 4 = 74.
3. In 91, the digit 9 stands for 90.
The digit 9 is in the tens place in 91, so it stands for 9 × 10 = 90.
4. 36 has 3 tens and 6 ones.
3 tens equal 30 and 6 ones equal 6. Adding them gives 30 + 6 = 36.
5. 20 + 5 = 25.
20 is 2 tens and 5 is 5 ones. Adding them gives 20 + 5 = 25.