Addition and subtraction: corrected 6th grade math exercises.

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Answer key to the exercises on addition and subtraction in the sixth grade.

Exercise 1:
For each of the following operations, by showing the calculation to be performed, find the missing number (you can ask the operations to be performed):

45 + 83 = 128

312 – 45 = 267

623 – 167 = 456

Exercise 2:
Lisa has to walk another 350 m to get to Samira’s house, which is 800 m away from hers.

How far has Lisa already traveled?

800-350=450 m

Lisa has already covered 450 meters.
Exercise 3:
1) By adding 27 years to her age, Estelle obtains her father’s age, i.e. 39 years. How old is Estelle?

39-27=12

Estelle is 12 years old.

2) Sophie, Estelle’s mother, is 2 years younger than her husband.

What is the age difference between Estelle and her mother?

There is no solution because there is insufficient information.

Exercise 4:
In a restaurant, an elevator cannot lift more than 50 kg. A box weighing 36.58 kg and another weighing 13.86 kg are placed on this elevator. Will he be able to start?

36,58+13,86= 50,44 kg.

The elevator will not be able to lift this mass because it is over 50 kg.

Exercise 5:
A board measures 1.83 m. I cut a piece measuring 0.69 cm.

What is the remaining length?

1,83 – 0,69 = 1,14 m

There is 1.14 meters left.

Exercise 6:

Peter buys 10 liters of gasoline at a price of 1.5787 euros per liter.

The price to be paid is then rounded to the nearest cent.

How much will he pay?

$10\times \,1,5787=15,79$ €

Exercise 7:

	Quantity	Price per unit	Total
Cap	5	12	60 €
Shoe	7	43	301 €
Polo	9	28	252 €
Tracksuit	1	unknown	0 €
Sock	65	3 €	195 €
		TOTAL	808 €

Cap price:

60 : 5 = 12.

The price of a cap is 12 euros.

Price of a pair of shoes :

301 : 7 = 43.

The price of a pair of shoes is 43 euros.

Price of a polo shirt :

252 : 9 = 28 .

The price of a polo shirt is 28 euros.

Let’s calculate the total price for the tracksuits purchased:

808-195-252-301-60=0

The total price for the tracksuit is 0 euros.

The tracksuit was donated .

The amount of pairs of socks:

195:3=65

He bought 65 pairs of socks.

Exercise 8:

Complete fill-in-the-blank operations with addition, multiplication and subtraction.

127 + 292=419 84 + 13,5 = 97,5

418 – 98 =320 2 809 + 4 193 = 7 002

0,001 x 14=0,014 11 195 – 4 193 = 7 002

Exercise 9:

If the starting number is 1 then :

1×0,5=0,5

0,5+4,9=5,4

5,4-2,4=3

3×9=27

27-19=8

8+4,6=12,6

12,6-8,1=4,5

so the result is 4.5

The corrected 6th grade math exercises in PDF

After consulting the answers to this addition and subtraction exercise in 6th grade, you can return to the exercises in 6th grade.

Sixth grade exercises.

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