Grade 2 Math Practice Test: Adding Up to Four Two-Digit Numbers
- Adding Three and Four Two-Digit Numbers
- 10 questions
- 12 minutes
Add the tens first and then the ones, or look for two numbers whose ones make 10. Check that you used every number once.
Tap an option to mark your answer. You can change your mind, or tap the same option again to leave the question blank. The correct answers and explanations appear when you finish the test.Tap an option to answer; tap it again to leave the question blank.
Your result
- 0 correct
- 0 wrong
- 0 blank
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Question 1
What is 23 + 14 + 31?
Correct answer: D
Tens: 20 + 10 + 30 = 60. Ones: 3 + 4 + 1 = 8. So the sum is 68.
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Question 2
What is 15 + 25 + 30?
Correct answer: B
15 + 25 = 40 because the 5 ones make a ten, and 40 + 30 = 70. The answer 60 forgets the extra ten from 5 + 5.
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Question 3
What is 12 + 18 + 20 + 10?
Correct answer: A
12 + 18 = 30, then 30 + 20 + 10 = 60. The answer 50 forgets the ten made by 2 + 8.
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Question 4
What is 36 + 27 + 14?
Correct answer: C
36 + 14 = 50 because 6 + 4 makes a ten, then 50 + 27 = 77. The answer 67 drops one ten.
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Question 5
A class collects cans. They collect 24 cans on Monday, 18 on Tuesday and 32 on Wednesday. How many cans do they collect in all?
Correct answer: D
Tens: 20 + 10 + 30 = 60. Ones: 4 + 8 + 2 = 14. Then 60 + 14 = 74.
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Question 6
What is 41 + 13 + 22 + 11?
Correct answer: B
Tens: 40 + 10 + 20 + 10 = 80. Ones: 1 + 3 + 2 + 1 = 7. So the sum is 87.
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Question 7
To add 19 + 21 + 35, Leo adds 19 + 21 first. What is 19 + 21?
Correct answer: C
9 + 1 makes a ten, so 19 + 21 = 40. Then Leo finds 40 + 35 = 75.
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Question 8
Kim has 4 bags of marbles. The bags hold 10, 20, 15 and 25 marbles. How many marbles does Kim have?
Correct answer: A
15 + 25 = 40 and 10 + 20 = 30, so 40 + 30 = 70. The answer 60 forgets the ten made by the two 5s.
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Question 9
Which has the greatest sum?
Correct answer: B
30 + 30 + 25 = 85. The others are 80, 75 and 80, so 85 is the greatest.
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Question 10
Which number makes this true?
20 + 15 + ___ = 50
Correct answer: D
20 + 15 = 35, and 35 + 15 = 50. The answer 35 is the sum of the first two numbers, not the missing one.
Questions you leave blank are not counted as wrong.
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