Lesson Worksheet: Adding 2-Digit Numbers Mathematics
In this worksheet, we will practice using different strategies to add 2-digit numbers with and without regrouping and checking the reasonability of the result using estimation.
Q1:
Calculate .
Tip: Use the place value blocks if you need to.
Q2:
Khalid has 69 marbles. His friend gives him 4 more. How many marbles does he have now?
Q3:
Make a ten to find .
Q4:
Find 47 plus 6.
Q5:
Pick the model that shows the result of .
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- D
Q6:
Using the base ten blocks, calculate .
Q7:
Using the given model, find .
Q8:
Pick a model that shows the sum.
Hint: Think about what happens when there are more than 10 ones.
- A
- B
- C
Q9:
Write the addition equation that matches the model.
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Q10:
Which model represents ?
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- D
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