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Question (31)

QN0027170

A number is decreased by 18 and becomes 24. What is the number?

(A) 40
(B) 41
(C) 42
(D) 43

Correct Answer: C

Explanation:

24 + 18 = 42

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Question (32)

QN0027171

Which expression gives the same answer as 37 + 15?

(A) 37 + 10 + 4
(B) 37 + 10 + 5
(C) 37 + 15 + 1
(D) 37 + 5 + 5

Correct Answer: B

Explanation:

37 + 10 + 5 = 52 = 37 + 15

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Question (33)

QN0027172

If 52 stamps become 75 stamps, how many more stamps are needed?

(A) 21
(B) 22
(C) 23
(D) 24

Correct Answer: C

Explanation:

75 − 52 = 23

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Question (34)

QN0027173

A jump from 23 to 34 on a number line is how many steps forward?

(A) 9
(B) 10
(C) 11
(D) 12

Correct Answer: C

Explanation:

34 − 23 = 11

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Question (35)

QN0027174

Which operation helps you find how many more one number is than another?

(A) Addition
(B) Subtraction
(C) Multiplication
(D) Division

Correct Answer: B

Explanation:

Subtraction finds the difference.

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Question (36)

QN0027175

Nandini has 39 vadas. She sells 12 more the next day. How many vadas does she sell in all?

(A) 49
(B) 50
(C) 51
(D) 52

Correct Answer: C

Explanation:

39 + 12 = 51

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Question (37)

QN0027176

Which situation requires subtraction?

(A) Finding the total number of apples collected
(B) Combining two groups of books
(C) Finding how many plants dried up
(D) Counting all stamps together

Correct Answer: C

Explanation:

Finding what is left or lost requires subtraction.

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Question (38)

QN0027177

A shopkeeper had 80 balloons. He sold 27 balloons. How many balloons are left?

(A) 51
(B) 52
(C) 53
(D) 54

Correct Answer: C

Explanation:

80 − 27 = 53

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Question (39)

QN0027178

What is 70 + 30 + 1?

(A) 100
(B) 101
(C) 102
(D) 103

Correct Answer: B

Explanation:

70 + 30 + 1 = 101

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Question (40)

QN0027179

Riya has 48 pencils. Her friend gives her 22 more pencils. Which number sentence represents this situation?

(A) 48 − 22
(B) 48 + 22
(C) 22 − 48
(D) 48 ÷ 22

Correct Answer: B

Explanation:

Receiving more means addition: 48 + 22.

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Question (31)

A number is decreased by 18 and becomes 24. What is the number?

Explanation:

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Question (32)

Which expression gives the same answer as 37 + 15?

Explanation:

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Question (33)

If 52 stamps become 75 stamps, how many more stamps are needed?

Explanation:

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Question (34)

A jump from 23 to 34 on a number line is how many steps forward?

Explanation:

Link:

Question (35)

Which operation helps you find how many more one number is than another?

Explanation:

Link:

Question (36)

Nandini has 39 vadas. She sells 12 more the next day. How many vadas does she sell in all?

Explanation:

Link:

Question (37)

Which situation requires subtraction?

Explanation:

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Question (38)

A shopkeeper had 80 balloons. He sold 27 balloons. How many balloons are left?

Explanation:

Link:

Question (39)

What is 70 + 30 + 1?

Explanation:

Link:

Question (40)

Riya has 48 pencils. Her friend gives her 22 more pencils. Which number sentence represents this situation?

Explanation:

Link:

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