Decimals Kymppi 6A chapter 18

1,4 : 2

(a)  

Answer explanation

Half of 14 is 7.

2,44 : 4

(a)  

Answer explanation

244 : 4 = 61

Add 2 decimal places

0,21 : 3

(a)  

Answer explanation

21 : 3 = 7

Add 2 decimal places.

3,55 : 5

(a)  

Answer explanation

355 : 5 = 71

Add 2 decimal places.

So it's 0,71

3,2 : 2

(a)  

Answer explanation

Half of 32 is 16.

Add 1 decimal place.

So it's 1,6.

Use "inverse relationship" to check your answer 1,6 x 2 = 3,2

5,4 : 2

(a)  

Answer explanation

Half of 54 is 27.

Add 1 decimal place.

So it's 2,7.

Use "inverse relationship" to check your answer 2,7 x 2 = 5,4

15,6 : 2

(a)  

Answer explanation

Half of 156 is 78.

Add 1 decimal place.

So it's 7,8.

Use "inverse relationship" to check your answer 7,8 x 2 = 15,6

19,8 : 2

(a)  

Answer explanation

Half of 198 is 99.

Add 1 decimal place.

So it's 9,9.

Use "inverse relationship" to check your answer 9,9 x 2 = 19,8

5,0 : 2

(a)  

0,5 : 2

(a)  

Answer explanation

If I divide half into two equal parts, what do I get? One quarter or 0,25