Converting between units of length in the context of perimeter

Converting between units of length in the context of perimeter

Lesson details

Key learning points

  1. In this lesson, we will model problem solving activities where we must work out the perimeter of shapes with different units and then create designs involving constraints.

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5 Questions

Q1.
In a long jump I achieve 1.4 m and my friend achieves 10 cm less than me. How far did my friend jump?
1.41 m
1.6 m
Correct answer: 130 cm
1300 m
Q2.
It takes 8 km to get to my nan's house and half the distance is where my cousin lives, how far away does my cousin live?
0.4 m
140 m
Correct answer: 4000 m
800 m
Q3.
Which of the measurements below is likely to be the length of my bedroom?
10 km
Correct answer: 2.45 m
3.2 cm
38 m
Q4.
Which of the measurements below seem to be correct for a kitchen in my sister's doll house?
0.9 m by 0.8 m
1.9 m by 2.9 m
5 m by 6 m
Correct answer: 8 cm by 10 cm
Q5.
Ribbon A is 3.4 m long and ribbon B is 200 mm shorter than ribbon A. How long is ribbon B?
3.6 m
300 cm
300 mm
Correct answer: 320 cm

5 Questions

Q1.
A rectangle has a width of 4 m and a length of 20 m. What is it's perimeter?
24 m
44 m
Correct answer: 4800 cm
80 m
Q2.
If a rectangle has a width of 4 metres and a length of 700 cm, what is the perimeter of the shape?
0.2 m
20 m
22 cm
Correct answer: 22 m
Q3.
A living room has a perimeter of 26 m in total. Which of the below show its possible dimensions?
width = 2.6 m and length = 6.2 m
width = 20 m and length = 6 m
Correct answer: width = 3.5 m and length = 9.5 m
width = 4 m and length = 6.5 m
Q4.
A games room has a perimeter of 36 m in total. Which of the options below cannot be the dimensions of the game room?
width of 4 m and length of 14 m
Correct answer: width of 6 m and length of 14 m
width of 7 m and length of 11 m
width of 8 m and length of 10 m
Q5.
Which of the dimensions below does not have the same perimeter as the rest?
Width = 2.5 m and Length = 3.6 m
Correct answer: Width = 3.6 m and Length = 3.5 m
Width = 4.5 m and Length = 1220 cm
Width = 480 cm and Length = 260 cm

Lesson appears in

UnitMaths / Converting units of measure