Year 4 Maths Challenge- Spring 1 2025 – Broad Heath Primary School

103 responses

Shayan S. says:

07/02/2025 at 10:58 am

82 x 10 =820
68 x 10 =680
43 x 10 =430
Silver
The room is 8 meters long
Function 2 does not multiply by 100 because there is an extra 50 p in the end.
Gold
43 x 5 =215
46 x 4 =184
74 x 5 =370
Jack is right because Sam did his working out wrong because he was supposed to but the 2 at the top but he put the zero at the the top not the bottom

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Mustafa A. says:

05/02/2025 at 3:40 pm

Bronze
1.82 times 10 = 820
2.68 times 10 =680
3.43×10=430

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Freya S. says:

05/02/2025 at 3:37 pm

82×10=820
43×10=430
68×10=680
I know this because if you add 10 then it makes the number bigger slayyy

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Esa I. says:

05/02/2025 at 3:34 pm

Bronze
I notice that the counters move 1 place value
Silver
The width is 106.
Gold
1.215
2.144
3.370
Jack is correct.
The other child’s mistake is he didn’t add 200

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Liyana M. says:

05/02/2025 at 8:11 am

Bronze

82 x 10 = 820
68 x 10 = 680
43 x 10 = 430
( you add a zero to the end)

Silver

600m by 200m

Gold

43 x 5 = 215
36 x 4 = 144 74 x 5 = 370

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1. Mrs Habib says:
  
  10/02/2025 at 7:35 pm
  
  Well done Liyana good work! Check your answers for Gold challenge please.
  
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2. Mrs Habib says:
  
  10/02/2025 at 7:37 pm
  
  Also check your answer for Silver, what will the measurement be in?
  
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Bilaal K. says:

05/02/2025 at 7:18 am

1 82×10=820
43x 10=430
63x 10=630

SILVER
The 6cm is like 600 and the same for 2cm.
The top and bottom one are correct but the middle one is in correct because 15×10=1500 not £1.50.

Gold
43×5=215
36×4=144
74x 5=370
Jack has the correct multiplication because he added the 200 and Sam did not.

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Elisei-Ionut P. says:

04/02/2025 at 8:29 pm

Bronze
I.i notice that you just have to add a zero
82X10=820
68X10=680
43X10=430?
Silver
6cm turs to 6m
2cm turns to 2m
Number 2 because 15pX10=£1.50 but 100 X15 = 15p
Gold
43X5=215
36×4=144
76×5=370
Jack is correct because sam didn’t add 200

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Haseeb B. says:

04/02/2025 at 8:18 pm

Bronze
I notice that when ever you times a number by 10 the answer will always have a placeholder at the end.
43 x 10 = 430
68 x 10 = 680
82 x 10 = 820
Silver
2 x 100 =200cm
600 x 100 =600cm
600cm = 6m
200 = 2m
The second one can not be multiplied by 100 because 15p x 10p = 150 p =1.50 pound
Gold
43 x 5 = 215
40 x 5 = 200
3 x 5 = 15
200 add 15 = 215
36 x 4 =
30 x 4 = 120
6 x4 = 24
120 add 24 = 144
74 x 5 = 370
70 x 5 =350
4 x 5 = 20
350 add 20 = 370
Jack got it correct because 234 x 6 =1404
234 x 6 =
200 x 6 = 1200
30 x 6 = 180
4 x 6 = 24
1200 add 180 add 24 = 1404
Sam is incorrect because 234 x 6 is not 1204

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1. Mrs Habib says:
  
  10/02/2025 at 7:38 pm
  
  A very thorough answer, well done Haseeb for your reasoning behind your answers.
  
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Aqsa S. says:

04/02/2025 at 7:30 pm

Silver Challenge:
The width of the room of the room is 6cm x 100 = 600cm
The length of the room is 2cm x 100 = 200cm
1m = 100cm
So, the width of the room in metres = 600 divided by 100 = 6m
The length of the room in metres = 200 divided 100 = 2m

The 2nd function machine does not multiple by 100 because
15p x 100 = 1500p but this would = £15 and not £1.50 because 1500 divided by 100 = £15

Gold challenge:
43 x 5 = 215
36 x 4 = 144
74 x 5 = 370

Jack is correct because 234 x 6 = 1404
Sam made a mistake because he forgot to add the remaining 2 on the hundred column

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Natan R. says:

04/02/2025 at 5:21 pm

Bronze
I noticed that in the multiplication you just add a zero at the end
32×10=320
82×10=820
68×10=680
43×10=430
Silver
(100cm=1m)
6cm ×100=600cm
600cm=6m
2cm×100=200cm
200cm=2m
The length of the room is 6 metres and the width is 2m and the whole room will have 16m in total
3p×100=£3
15p×10=£1.50
30p×100=£30
Gold
43×5=215
36×4=144
74×5=370
234×6=1404
Sam is wrong because he forgot to add 200

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Sanya S. says:

04/02/2025 at 4:35 pm

Bronze
I realised when you times by 10 it gets 10 times bigger
1. 82 x 10=820
2. 68 x 10 = 680
3. 43 x 10= 430
Silver:
The 6m is like adding 100 which is 600 and It’s the same for 2m.
All of them are correct expect the middle one because 15×10=1500 not 150.

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