Default Title

Question (1)

QN0027220

Estimation means finding:

(A) The exact answer
(B) A close answer
(C) No answer
(D) A wrong answer

Correct Answer: B

Explanation:

Estimation gives a close or approximate answer.

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Question (2)

QN0027221

Which number is closest to 60?

(A) 58
(B) 61
(C) 59
(D) 60

Correct Answer: D

Explanation:

60 is exactly equal to 60.

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Question (3)

QN0027222

Nani Maa plucked 25 red radishes and 36 white radishes. About how many radishes did she pluck in all?

(A) 50
(B) 60
(C) 70
(D) 80

Correct Answer: B

Explanation:

25 ≈ 30 and 36 ≈ 40, so the total is about 60.

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Question (4)

QN0027223

What is the exact total of 25 and 36?

(A) 59
(B) 60
(C) 61
(D) 62

Correct Answer: C

Explanation:

25 + 36 = 61.

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Question (5)

QN0027224

Which number is a reasonable estimate for 48 + 31?

(A) 60
(B) 70
(C) 80
(D) 90

Correct Answer: C

Explanation:

48 ≈ 50 and 31 ≈ 30, so about 80.

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Question (6)

QN0027225

A box has 100 vegetables. If 65 are tomatoes, about how many carrots are there?

(A) 25
(B) 30
(C) 35
(D) 40

Correct Answer: C

Explanation:

100 − 65 = 35.

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Question (7)

QN0027226

What is the exact number of carrots if there are 100 vegetables and 65 are tomatoes?

(A) 30
(B) 35
(C) 40
(D) 45

Correct Answer: B

Explanation:

100 − 65 = 35.

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Question (8)

QN0027227

Which pair makes a total closest to 100?

(A) 42 + 47
(B) 55 + 44
(C) 31 + 52
(D) 28 + 39

Correct Answer: B

Explanation:

55 + 44 = 99, which is closest to 100.

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Question (9)

QN0027228

Which number is nearest to 50?

(A) 47
(B) 48
(C) 49
(D) 46

Correct Answer: C

Explanation:

49 is only 1 away from 50.

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Question (10)

QN0027229

Chirag collected 67 apples and Nandini collected 85 apples. About how many apples did they collect altogether?

(A) 140
(B) 150
(C) 160
(D) 170

Correct Answer: B

Explanation:

67 ≈ 70 and 85 ≈ 80, so about 150.

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Question (1)

Estimation means finding:

Explanation:

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Question (2)

Which number is closest to 60?

Explanation:

Link:

Question (3)

Nani Maa plucked 25 red radishes and 36 white radishes. About how many radishes did she pluck in all?

Explanation:

Link:

Question (4)

What is the exact total of 25 and 36?

Explanation:

Link:

Question (5)

Which number is a reasonable estimate for 48 + 31?

Explanation:

Link:

Question (6)

A box has 100 vegetables. If 65 are tomatoes, about how many carrots are there?

Explanation:

Link:

Question (7)

What is the exact number of carrots if there are 100 vegetables and 65 are tomatoes?

Explanation:

Link:

Question (8)

Which pair makes a total closest to 100?

Explanation:

Link:

Question (9)

Which number is nearest to 50?

Explanation:

Link:

Question (10)

Chirag collected 67 apples and Nandini collected 85 apples. About how many apples did they collect altogether?

Explanation:

Link:

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