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Worksheet: Addition or Subtraction of Tens from Two-Digit Numbers
Q1:
We can use number bonds to ten to help us find 10 more than any tens number.
If we know that , we also know that .
We have just made the numbers bigger by 10.
Use number bonds to help you find 10 more than 80.
Q2:
Find the missing label.
| Number | 10 More | |
|---|---|---|
| 3 | 13 | 23 |
- A10
- B10 More
- C10 Less
Q3:
Find the picture that shows 10 less than 38.
- A
- B
- C
Q4:
Find 10 less than 50. Use the base ten blocks to help you.
Q5:
Let’s think about finding 10 less.
Which picture shows 37?
- A
- B
- C
Now, find 10 less than 37.
Q7:
Find 10 more than 37.
- A48
- B38
- C47
Q8:
Fill in the blank: .
Q9:
Fill in the blank: .
Q10:
Find 10 more than 89: .
- A100
- B90
- C99
Q11:
Find the two-digit number and then find 10 more.
Which picture shows 26?
- A
- B
- C
Now, find 10 more than 26.
Q12:
William writes the number 87 on his chart.
If he finds 10 less, what will happen in each column?
- AThe tens will go down by 1. The ones will stay the same.
- BThe ones will go down by 1. The tens will stay the same.
Now, find 10 less than 87. What will the new number be?
Q13:
Find 10 more than 20. Use the base ten blocks to help you.
Q14:
What number is missing?
Q15:
49 is 10 less than .
Q16:
Jennifer writes the number 63 on her chart.
If she adds 10 more, what will happen in each column?
- AThe tens will go up by 1. The ones will stay the same.
- BThe ones will go up by 1. The tens will stay the same.
Now, add 10 more to 63. What will the new number be?
Q17:
Which number is NOT 10 more than 32?
- A22
- B42
Q18:
We want to show that 10 more than 59 is 69.
How many more ten rods should we add to the picture?
Q19:
We can use number bonds to ten to help us find 10 more than any tens number.
If we know that , we also know that .
We have just made the numbers 10 times bigger.
Use number bonds to help you find 10 more than 60.
Q20:
Which number is NOT 10 less than 65?
- A75
- B55