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1.10D BIDMAS: Fluency and Exam Drill

EDEXCEL Edexcel 1MA1 · Calculator allowed · about 40 minutes

Total Marks

Name: _______________________________ Date: ____ / ____ / ______

Answer ALL questions. Show all your working.

Work out 7 + 3 x 5.

(Total for Question 1 is 1 mark)

Work out (8 + 2) x 4.

(Total for Question 2 is 1 mark)

Work out 18 / 3 + 2.

(Total for Question 3 is 1 mark)

Work out 2³ x 5.

(Total for Question 4 is 1 mark)

Work out 5 + (6 - 2)².

(Total for Question 5 is 2 marks)

Work out 12 / (2 + 1) + 7.

(Total for Question 6 is 2 marks)

Work out 3 + 4 x 2².

(Total for Question 7 is 2 marks)

Work out (9 - 3) x (2 + 5).

(Total for Question 8 is 2 marks)

Work out 18 - 2³ x 2 + 5.

(Total for Question 9 is 3 marks)

Work out (5 + 3)² - 4 x (6 - 3).

(Total for Question 10 is 3 marks)

Work out 6 / 2 x (1 + 2).

(Total for Question 11 is 3 marks)

Work out 8 - 3 x 2² + (6 / 3).

(Total for Question 12 is 4 marks)

Show that (4 + 2³) / (3 - 1) = 6.

(Total for Question 13 is 4 marks)

Priya calculates (7 + 2) x 3² incorrectly as 7 + 2 x 3².
Work out Priya's answer and the correct answer. Find the difference between the two answers.

(Total for Question 14 is 3 marks)

Evaluate 2⁴ - (5 + 3) x 2.

(Total for Question 15 is 3 marks)

Work out (15 - 7) / 4 + 2.

(Total for Question 16 is 2 marks)

Work out 3 + (12 - 4) / 2².

(Total for Question 17 is 3 marks)

Work out (2 + (3² - 1)) x (5 - 3) + 2³.

(Total for Question 18 is 4 marks)

Mark scheme · 1.10D BIDMAS: Fluency and Exam Drill

Question 1

B1 22 cao
Answer: 22

Question 2

B1 40 cao
Answer: 40

Question 3

B1 8 cao
Answer: 8

Question 4

B1 40 cao
Answer: 40

Question 5

M1 evaluate (6 - 2)² or show (6 - 2) = 4 and 4² = 16
A1 21 cao
Answer: 21

Question 6

M1 evaluate denominator 2 + 1 = 3 and divide 12 by 3
A1 11 cao
Answer: 11

Question 7

M1 evaluate 2² = 4 and then 4 x 4 = 16 or show the multiplication
A1 19 cao
Answer: 19

Question 8

M1 evaluate each bracket, (9 - 3) = 6 and (2 + 5) = 7
A1 42 cao
Answer: 42

Question 9

M1 evaluate 2³ = 8
M1 multiply 8 x 2 = 16 or show 2³ x 2 = 16
A1 7 cao
Answer: 7

Question 10

M1 evaluate (5 + 3)² = 8² = 64 or show correct squaring
M1 evaluate (6 - 3) = 3 and 4 x 3 = 12
A1 52 cao
Answer: 52

Question 11

M1 evaluate bracket 1 + 2 = 3
M1 do division before multiplication left to right: 6 / 2 = 3 then 3 x 3
A1 9 cao
Answer: 9

Question 12

M1 evaluate index 2² = 4
M1 multiply 3 x 4 = 12
M1 evaluate 6 / 3 = 2
A1 -2 cao
Answer: -2

Question 13

M1 evaluate 2³ = 8
M1 add 4 + 8 = 12 (numerator)
M1 evaluate denominator 3 - 1 = 2
A1 6 cso
Answer: 6

Question 14

M1 show Priya's method 7 + (2 x 3²) and evaluate to 25
M1 show correct method (7 + 2) x 3² and evaluate to 81
A1 difference 56 cao
Answer: Priya's answer 25; correct answer 81; difference 56

Question 15

M1 evaluate 2⁴ = 16
M1 evaluate (5 + 3) x 2 = 8 x 2 = 16
A1 0 cao
Answer: 0

Question 16

M1 evaluate bracket and division: (15 - 7) = 8, 8 / 4 = 2
A1 4 cao
Answer: 4

Question 17

M1 evaluate numerator 12 - 4 = 8
M1 evaluate denominator 2² = 4 and divide 8 / 4 = 2
A1 5 cao
Answer: 5

Question 18

M1 evaluate 3² = 9
M1 evaluate 9 - 1 = 8 and 2 + 8 = 10
M1 evaluate (5 - 3) = 2 and multiply 10 x 2 = 20
A1 28 cao
Answer: 28

BIDMAS: Fluency and Exam Drill - Worksheets, Questions and Revision