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MIF Chapter 2: Estimation & Number Theory Flashcards | StudBud
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MIF Chapter 2: Estimation & Number Theory
MIF Chapter 2: Estimation & Number Theory
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Math in Focus Fourth Grade Chapter 2 #math #4thgrade
Flashcards
12 cards
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Questions
12
Answers
1
What is the 8th multiple of 7?
42
56
64
8
2
What is the greatest common factor of 12 and 36?
18
6
2
12
3
What is 9,148 rounded to the nearest hundred?
9,150
9,200
9,000
9,100
4
Which number is a prime number?
29
21
62
35
5
Using front-end estimation, what is the estimated sum of 3,781 and 6,034?
4,000 + 6,000 = 10,000
3,000 + 7,000 = 10,000
4,000 + 7,000 = 11,000
3,000 + 6,000 = 9,000
6
Which number rounded to the nearest thousand is 43,000?
43,808
42,049
43,574
42,935
7
What is the least common multiple (LCM) of 6 and 8?
48
24
12
32
8
Which factors give the closest estimate of 7,719 × 6?
8,000 × 10
7,000 × 6
7,000 × 10
8,000 × 6
9
Which list of numbers contains only composite numbers?
2, 13, and 18
7, 9, and 18
6, 8, and 9
4, 11, and 16
10
Which is the complete factor set of 24?
24, 48, 72, 96, 120
1, 2, 3, 4, 5, 6, 7, 8, 24
1, 2, 3, 4, 6, 8, 12, 24
1, 2, 12, 24
11
Which of the following is NOT a common factor of 30 and 12?
2
10
6
3
12
Which of the following statements is incorrect?
17 is a prime number.
28 is a composite number.
56 is a composite number.
45 is a prime number.
