Exercise 1:
Exercise 2:
The sign of will be positive according to the sign rule -x- gives +.
The sign of will be negative because the sum of two negative numbers is negative.
the sign of the quotient will be negative (according to the rigle of signs) because
gives
.
Exercise 3:
Exercise 4:
1. .
2. .
3.
4.
Exercise 5:
How far down did it go?
It went down 21 meters.
Exercise 6:
1. (+2)- (+8) – (-4) – (-3)
– c. 2 – 8 + 4 + 3=1
2. (-7) – (-3) + (+5) – (+4)
– a. – 7 + 3 + 5 – 4 = – 3
Exercise 7:
Exercise 8:
a.
b.
c.
d.
e.
Exercise 9:
negative because an odd number with sign – .
: positive because an even number with sign – .
If C is the product of 303 times the number -1. What is the sign of the number C?
It will be negative because 303 is odd.
Exercise 10:
Exercise 11:
A=(- 5) + [(- 4) x ( – 2 ) + ( + 7)]
A=(- 5) + [(+8 ) + ( + 7)]
A=(- 5) +(+15)
A = 10
B=(- 4) x ( – 2)x( – 3) – ( – 3) x ( – 2)
B = -24 – (+6)
B= – 24 – 6
B= -30
C=(+ 6) – ( – 9) + (- 3) x [ ( – 5)x( -2) – 3]
C=6+9 + (- 3) x [ ( +10) – 3]
C=6+9 + (- 3) x 7
C=15 – 21
C= -6
Exercise 12:
1.
–
2.
–
Exercise 13:
Exercise 14:
Perform the following multiplications:
a.
b.
c.
d.
e.
Exercise 15:
What is the sign of each of the following calculations:
there are three minus signs, three is odd so the sign is negative.
There are six minus signs, six is even so the sign is positive.
If C is the product of 303 times the number -1. What is the sign of the number C?
There are 303 minus signs, the integer 303 is odd so the sign is negative.
Exercise 16:
Perform the following calculations (pay attention to the order of priority of the operations):
Exercise 18:
.
.
Exercise 19:
Exercise 20:
Exercise 21:
1. By what amount did it improve its results?
80 000-15 000 = 65 000 €
2. If its results increase by the same amount this year, what will its profit be next year?
65 000 – 15 000 = 50 000 €
Exercise 22:
Calculate:
Exercise 23:
Calculate:
Exercise 24:
Answers to the exercises on relative numbers in 4th grade.
After having consulted the answers to these exercises on relative numbers in 8th grade, you can return to the exercises in 4th grade.
Cette publication est également disponible en :
Français (French)
Español (Spanish)
العربية (Arabic)
Download and print this document in PDF for free
You have the possibility to download then print this document for free «relative numbers: answer key to 4th grade math exercises in PDF.» in PDF format.
Other documents in the category corrected by
- Fractions: answer key to 5th grade math exercises in PDF.
- The literal caclulus : corrected 4th grade math exercises in PDF.
- Answer key for the maths brevet France 2017
- Arithmetic and prime factor decomposition: answer key to 3rd grade math exercises in PDF.
- Scratch: programming exercises in 5th grade.
- Scratch : corrected algorithms and programming exercises in 4th grade in PDF.
- Scratch : correction of the exercises in 3rd grade of programming.
- Answers to the mathematics exam 2021 in France
- Barycenter: answer key to senior math exercises in PDF.
- Integral calculus: answer key to senior math exercises in PDF.
Other forms similar to relative numbers: answer key to 4th grade math exercises in PDF..
- 93
- 89
- 89
Les dernières fiches mises à jour.
Voici les dernières ressources similaires à relative numbers: answer key to 4th grade math exercises in PDF. mis à jour sur Mathovore (des cours, exercices, des contrôles et autres), rédigées par notre équipe d'enseignants.
On Mathovore, there is 13 703 241 math lessons and exercises downloaded in PDF.