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Cambridge Primary Checkpoint - Mathematics (0845) April 2021 Paper 1 Question

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Cambridge Primary Checkpoint

MATHEMATICS
0845/01
Paper 1
April 2021
45 minutes
You must answer on the question paper.
You will need:
Protractor
Tracing paper (optional)
INSTRUCTIONS
• Answer all questions.
• Use a black or dark blue pen. You may use an HB pencil for any diagrams or graphs.
• Write your name, centre number and candidate number in the boxes at the top of the page.
• Write your answer to each question in the space provided.
• Do not use an erasable pen or correction fluid.
• Do not write on any bar codes.
• You should show all your working in the booklet.
• You are not allowed to use a calculator.
INFORMATION
• The total mark for this paper is 40.
• The number of marks for each question or part question is shown in brackets [ ].
This document has 16 pages. Any blank pages are indicated.
IB21 05_0845_01/5RP
© UCLES 2021
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2
1
Write the missing number in the box.
+ 650 = 1000
[1]
2
Complete these calculations.
30 + 80 + 60 =
40 +
+ 30 = 200
[1]
3
Here are four digit cards.
4
6
2
5
Use each of the digits once to make a total that is a multiple of ten.
+
[1]
© UCLES 2021
0845/01/A/M/21
3
4
(a) There are 205 students in one year group in a school.
97 are boys.
Write how many are girls.
girls
[1]
classrooms
[1]
(b) There are 223 students in another year group.
Classrooms can have a maximum of 30 students.
Write how many classrooms are needed for this year group.
© UCLES 2021
0845/01/A/M/21
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4
5
Round these values to the nearest dollar.
$7.57
$
$12.49
$
[1]
6
A rectangle has an area of 35 cm2.
The width of the rectangle is 5 cm.
Write the length of the rectangle.
cm
© UCLES 2021
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[1]
5
7
Here are 4 bags of beads.
Each bag has white and black beads.
bag A
bag B
bag C
bag D
A bead is selected from each bag without looking.
Write a letter to make these statements true.
Bag
has an even chance of picking a black bead.
Bag
has the best chance of picking a black bead.
Bag
has the best chance of picking a white bead.
[2]
8
Draw a line to join each activity to the best unit of time to measure it.
fly from London to New York
seconds
run a hundred metres
minutes
sail from London to New York
hours
cycle three kilometres
days
[2]
© UCLES 2021
0845/01/A/M/21
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6
9
Carlos has five number cards.
The mode of the five cards is 1
The sum of the five cards is 11
Write the missing number on each card.
2
3
[2]
10 Write how many millimetres there are in 15.5 centimetres.
mm
[1]
11 Here is some flour on the scales.
500
400
100
grams
300
200
Write the mass of the flour.
g [1]
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7
12 Here is a recipe for leek and potato soup.
leek and potato soup
serves 6
700 g
leeks
375 g
potatoes
850 ml
stock
121 tablespoons cream
65 g
butter
Eva makes soup for 12 people.
Complete the list of ingredients.
leek and potato soup
serves 12
g
leeks
g
potatoes
ml
stock
tablespoons cream
g
butter
[2]
© UCLES 2021
0845/01/A/M/21
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8
13 Here is a right angled triangle on a square grid.
y
10
9
8
7
6
5
4
3
2
1
0
0
1
2
3
4
5
6
7
8
9
10
x
The right angled triangle is translated 2 squares right and 1 square down.
Draw the right angled triangle in its new position.
Use a ruler.
© UCLES 2021
[1]
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9
14 Match each fraction to an equivalent percentage.
3%
1
2
7%
3
100
30%
50%
7
10
70%
[1]
15 The top number in this diagram is the sum of the two numbers below.
30
12
18
12 + 18 = 30
Complete this diagram using the same rule.
6005
3997
4218
[2]
© UCLES 2021
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10
16 A train leaves at quarter past eight in the evening.
Write the time using the 24-hour clock system.
[1]
17 Draw a ring around all the multiples of 25 in the table.
535
900
765
350
185
260
815
430
675
[1]
18 Here are four numbers.
33.9
35.2
36.4
38.7
Use each number once to make these statements correct.
<
72.6 =
36.2
+
>
35.1
[2]
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11
19 Write
13
as a mixed number.
8
[1]
20 Here are five number cards.
40 hundreds
40 tens
400 units
400 hundreds
400 tens
Draw lines to match cards with the same value.
[1]
21 Complete the following.
0.7 × 7 =
4.8 ÷ 6 =
120 × 0.4 =
[2]
© UCLES 2021
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12
22 Here is a shape on a 5 mm squared grid.
(a) Write the area of the shape in cm2.
cm2 [1]
(b) The shape is the net of a cube.
Write the length of one edge of the cube in cm.
cm
[1]
23 Hassan finds the product of two multiples of 10
The answer is 2400
List all the calculations that give his answer.
[2]
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13
24 Here is an incomplete calculation.
+
=
1
0
0
0
Use only the digits 3, 6 and 7 to complete this calculation.
Each digit can be used more than once.
[1]
25 The line graph shows the average temperature in Athens for 8 months.
Average temperature in Athens
30
25
20
15
Average
temperature
°C
10
5
0
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Months
Naomi wants to visit Athens in a month when the average temperature is higher
than 20°C.
List all the months she could choose.
[1]
© UCLES 2021
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14
26 Three 2-digit numbers are added together.
The total is 60
The largest number is nine multiplied by three.
The smallest number is a multiple of 6
Write the three numbers.
[1]
27 Pierre and Yuri each think of a different number.
Yuri says,
We double our numbers.
My answer is 16 more than
Pierre’s answer.
Pierre’s number is 23
Work out Yuri’s number.
[1]
© UCLES 2021
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15
28 Here is a number line.
A
B
0
10 000
Estimate what number is shown by arrow A.
Draw an arrow to show the number 500 less than the number shown by arrow B.
[2]
29 Safia says,
You can solve the problem
16 x 34 by multiplying 34 by
10 and by 6, then adding the
two answers.
Use Safia’s method to calculate 16 × 9
You must show your working.
[1]
© UCLES 2021
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16
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© UCLES 2021
0845/01/A/M/21
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