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Math: Middle School: Grades 6, 7 and 8 Quiz - Algebra - BODMAS Otherwise Known as BIDMAS (Questions)

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In algebra, the 'O' in BODMAS stands for 'Order' and the 'I' in BIDMAS stands for 'Index'. 'Order' and 'Index' mean the same thing. The rules of BODMAS (otherwise known as BIDMAS) in Math are fairly easy to remember but all too easy to forget!

1. What is the correct sequence for mathematical operations?
[ ] Addition, Brackets, Division, Order, Multiplication, Subtraction
[ ] Brackets, Division, Addition, Order, Multiplication, Subtraction
[ ] Brackets, Order, Division, Multiplication, Addition, Subtraction
[ ] Subtraction, Addition, Multiplication, Division, Order, Brackets
2. 'Order' and 'Index' mean the same thing - they are the small numbers to the upper right of other numbers. What other name is sometimes given to these small numbers?
[ ] Expatriates
[ ] Expendables
[ ] Exponents
[ ] Expulsions
3. What is the value of 2 + 3 x 5?
[ ] 10
[ ] 15
[ ] 17
[ ] 25
4. What is the value of 2 x 3 + 5?
[ ] 10
[ ] 11
[ ] 15
[ ] 16
5. What is the value of 3x2 when x = 2?
[ ] 3
[ ] 6
[ ] 9
[ ] 12
6. What is the value of (3x)2 when x = 2?
[ ] 6
[ ] 12
[ ] 36
[ ] 48
7. What is the value of (3 + a)(4 + a) when a = 4?
[ ] 56
[ ] 65
[ ] 86
[ ] 68
8. If x = 5, which of these calculations is correct?
[ ] 6 + x + 7 - 3 + x - 2 = 24
[ ] 6x + 7 - (3x - 2) = 24
[ ] (6x + 7) (3x - 2) = 24
[ ] 6x + 7 - 3x - 2 = 24
9. What is the value of 2a3 - a, when a = 4?
[ ] 118
[ ] 120
[ ] 122
[ ] 124
10. What is the value of x3 / (4y - 7), when x = 5 and y = 8?
[ ] 3
[ ] 4
[ ] 5
[ ] 6
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Math: Middle School: Grades 6, 7 and 8 Quiz - Algebra - BODMAS Otherwise Known as BIDMAS (Answers)
1. What is the correct sequence for mathematical operations?
[ ] Addition, Brackets, Division, Order, Multiplication, Subtraction
[ ] Brackets, Division, Addition, Order, Multiplication, Subtraction
[x] Brackets, Order, Division, Multiplication, Addition, Subtraction
[ ] Subtraction, Addition, Multiplication, Division, Order, Brackets
They don't call it BODMAS for nothing!
2. 'Order' and 'Index' mean the same thing - they are the small numbers to the upper right of other numbers. What other name is sometimes given to these small numbers?
[ ] Expatriates
[ ] Expendables
[x] Exponents
[ ] Expulsions
Whatever you call them, they need to be dealt with immediately after Brackets
3. What is the value of 2 + 3 x 5?
[ ] 10
[ ] 15
[x] 17
[ ] 25
Work out the multiplication sign BEFORE the addition sign
4. What is the value of 2 x 3 + 5?
[ ] 10
[x] 11
[ ] 15
[ ] 16
Work out the multiplication sign BEFORE the addition sign
5. What is the value of 3x2 when x = 2?
[ ] 3
[ ] 6
[ ] 9
[x] 12
3 x (2 x 2)
6. What is the value of (3x)2 when x = 2?
[ ] 6
[ ] 12
[x] 36
[ ] 48
(3 x 2)(3 x 2)
7. What is the value of (3 + a)(4 + a) when a = 4?
[x] 56
[ ] 65
[ ] 86
[ ] 68
7 x 8
8. If x = 5, which of these calculations is correct?
[ ] 6 + x + 7 - 3 + x - 2 = 24
[x] 6x + 7 - (3x - 2) = 24
[ ] (6x + 7) (3x - 2) = 24
[ ] 6x + 7 - 3x - 2 = 24
30 + 7 - 13
9. What is the value of 2a3 - a, when a = 4?
[ ] 118
[ ] 120
[ ] 122
[x] 124
(2 x 64) - 4
10. What is the value of x3 / (4y - 7), when x = 5 and y = 8?
[ ] 3
[ ] 4
[x] 5
[ ] 6
125 / 25