In the number 4,823,671, what is the value of the digit 8?
A) 8
B) 80
C) 8,000
D) 80,000
E) 800,000
(Total for Question 1 is 1 mark)
2
Which of these is seven million, forty thousand and sixteen, written in figures?
A) 7,040,016
B) 7,400,016
C) 7,004,016
D) 7,040,160
E) 7,400,160
(Total for Question 2 is 1 mark)
3
Write three hundred and six thousand, two hundred and forty in figures.
(Total for Question 3 is 1 mark)
4
What is the value of the digit 4 in 6.548?
A) 4
B) 0.4
C) 0.04
D) 0.004
E) 40
(Total for Question 4 is 1 mark)
5
Write these three numbers in order, starting with the smallest: 2.605, 2.056, 2.65
(Total for Question 5 is 2 marks)
6
Round 384,672 to the nearest 1,000.
A) 384,000
B) 385,000
C) 380,000
D) 384,700
E) 390,000
(Total for Question 6 is 1 mark)
7
Round 6,499 to the nearest 100.
(Total for Question 7 is 1 mark)
8
Round 47,650 to the nearest 10,000.
A) 40,000
B) 47,000
C) 48,000
D) 50,000
E) 47,700
(Total for Question 8 is 1 mark)
9
A stadium has 128,450 seats.
(a)Round this number to the nearest 1,000.(1)
(b)Round this number to the nearest 10,000.(1)
(Total for Question 9 is 2 marks)
10
What is -8 + 3?
A) -11
B) -5
C) 5
D) 11
E) -1
(Total for Question 10 is 1 mark)
11
The temperature in Aviemore was -6 degC at 6am.
(a)By midday it had risen by 9 degC. What was the midday temperature?(1)
(b)By 9pm it had fallen by 11 degC from midday. What was the temperature at 9pm?(1)
(Total for Question 11 is 2 marks)
12
Which list shows these numbers in order from smallest to largest? -7, 2, -3, 0, -10
A) -10, -7, -3, 0, 2
B) -7, -10, -3, 0, 2
C) 2, 0, -3, -7, -10
D) -10, -3, -7, 0, 2
E) 0, -3, -7, -10, 2
(Total for Question 12 is 1 mark)
13
Write these numbers in order, starting with the largest: -4, 5, -9, 0, -1
(Total for Question 13 is 2 marks)
14
Round 3.847 to 1 decimal place.
A) 3.8
B) 3.9
C) 4.8
D) 3.85
E) 4.0
(Total for Question 14 is 1 mark)
15
Round 12.6963 as follows.
(a)Round 12.6963 to 2 decimal places.(1)
(b)Round 12.6963 to 3 decimal places.(1)
(Total for Question 15 is 2 marks)
16
Which symbol makes this statement correct? -15 ___ -9
A) <
B) >
C) =
D) Cannot be compared without a calculator
E) Either < or > could be correct
(Total for Question 16 is 1 mark)
17
Write < or > to make this statement true: -3 ___ -8
(Total for Question 17 is 1 mark)
18
The temperature at the base of a mountain is 5 degC. At the top of the mountain it is -12 degC. What is the difference in temperature between the base and the top?
A) 7 degC
B) 13 degC
C) 17 degC
D) -7 degC
E) -17 degC
(Total for Question 18 is 1 mark)
19
A submarine is at a depth of -145 m. It rises 60 m, then dives a further 25 m. What is its new depth?
(Total for Question 19 is 2 marks)
20
What is 6,000,000 + 400,000 + 20,000 + 7 written in figures?
A) 6,420,007
B) 6,042,007
C) 6,402,007
D) 6,420,700
E) 6,204,007
(Total for Question 20 is 1 mark)
21
A number has 3 million, 5 hundred thousand, 0 ten thousand, 8 thousand, 4 hundred, 0 tens and 9 units.
(a)Write this number in figures.(1)
(b)Round your answer to part (a) to the nearest 100,000.(1)
(Total for Question 21 is 2 marks)
22
A number rounds to 7,600,000 when rounded to the nearest 100,000. Which of these numbers could NOT be the original number?
A) 7,551,204
B) 7,600,000
C) 7,649,999
D) 7,650,000
E) 7,590,450
(Total for Question 22 is 1 mark)
23
The population of a town is 2,847,500, correct to the nearest hundred.
(a)What is the smallest number of people the actual population could be?(1)
(b)What is the largest whole number of people the actual population could be?(1)
(c)Round 2,847,500 to the nearest 10,000.(1)
(Total for Question 23 is 3 marks)
24
Which of these numbers does NOT round to 5.60 when rounded to 2 decimal places?
A) 5.595
B) 5.604
C) 5.605
D) 5.598
E) 5.601
(Total for Question 24 is 1 mark)
25
Beatrix records the temperature outside her house every day for a week. On Monday it was -4 degC. Each day up to and including Thursday, the temperature rose by 3 degC compared with the day before. From Thursday to Friday, the temperature then fell by 7 degC.
(a)What was the temperature on Thursday?(1)
(b)What was the temperature on Friday?(1)
(c)A weather app rounds Friday's temperature to the nearest 10 degrees for a simplified icon. What temperature does it show?(1)
(Total for Question 25 is 3 marks)
Mark scheme · EP.M45 Place Value and Rounding: Practice Set 3
Question 1
B1 E) 800,000 cao
Answer: 800,000
Question 2
B1 A) 7,040,016 cao
Answer: 7,040,016
Question 3
B1 306,240 cao
Answer: 306,240
Question 4
B1 C) 0.04 cao
Answer: 0.04
Question 5
M1 Correctly compares the numbers using the same number of decimal places (oe)
A1 2.056, 2.605, 2.65 cao
Answer: 2.056, 2.605, 2.65
Question 6
B1 B) 385,000 cao
Answer: 385,000
Question 7
B1 6,500 cao
Answer: 6,500
Question 8
B1 D) 50,000 cao
Answer: 50,000
Question 9
(a) B1 128,000 cao
(a) Answer: 128,000
(b) B1 130,000 cao
(b) Answer: 130,000
Question 10
B1 B) -5 cao
Answer: -5
Question 11
(a) B1 3 degC cao
(a) Answer: 3 degC
(b) B1 -8 degC cao (ft from part a)
(b) Answer: -8 degC
Question 12
B1 A) -10, -7, -3, 0, 2 cao
Answer: -10, -7, -3, 0, 2
Question 13
M1 Correctly identifies that the positive number and 0 come before any negative number (oe)