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Unit 1 Review
-6 x -7 =
(-5)2=
Unit 1 Review
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Unit 1: Review of Number Theory
Flashcards
27 cards
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Practice quiz
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Host live
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Questions
27
Answers
1
(-5)
2
=
10
25
-10
-25
2
-6 x -7 =
-36
-24
-1
42
3
-3 + 6 =
-9
-3
-18
3
4
2/3 - 1/4 =
2/5
- 1/3
-1/4
5/12
5
2 x 1/2 =
3/2
1
1 1/2
2
6
Find the LCM of this set of numbers: 6, 9, 8
72
108
36
24
7
Find the HCF of 20, 24, 36.
9
6
4
5
8
Which is closest to zero?
-3
-6
4
5
9
24 ÷ 8 x (4 - 2) =
6
22
1.5
- 8
10
3, 6, 9, 12, 15 are _________________ of 3.
LCM's
Factors
Mutltiples
Fractions
11
1, 2, 3, 4, 6, 12 are __________________ of 12.
HCF's
Multiples
Factors
LCM's
12
7/12 ÷ 1/2 =
7/24
1 1/6
1 2/12
14/12
13
I have 3/5 of a cake. Andy eats 1/2 of my portion. How much did Andy eat?
7/10
2/5
3/10
1/2
14
Which is a prime number?
4
18
21
7
15
4 ÷ 7/9 =
7/36
36/7
13
5 1/7
16
Convert 2/5 to a decimal.
2.5
0.5
0.4
0.2
17
[ (12 x 3) ÷ (12 ÷ 3) ] x 2
18
2
9
24
18
Round 7.89015 to four decimal places.
7.8902
7.809
7.890
7.8901
19
4/7 x 3/4 =
2 / 14
12 / 28
16 / 21
3 / 7
20
7 x 2 + 8 =
24
30
22
70
21
Round 2.3646 to the nearest tenth.
2.3
2.4
2.37
2.36
22
32 + ( 8 ÷ 2 ) =
8
36
34
20
23
Which is the largest number?
-3
1
2
-4
24
6/11 + 3/22 =
12 / 22
6 / 11
15 / 22
9 / 33
25
-13 - 8 =
- 5
5
21
- 21
26
2/3 + 4/5 =
21 / 25
1 3/5
1 7/15
22 / 15
27
2/3 is a ....
mixed number
proper fraction
improper fraction
common denominator
