# Relative numbers: answer key to 4th grade math exercises in PDF.

The answer key to the 4th grade math exercises on relative numbers. Calculations with relative numbers including addition, subtraction, multiplication, division and use of the sign rule.

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:

Cette publication est également disponible en : Français (French) Español (Spanish) العربية (Arabic)

## Other forms similar to relative numbers: answer key to 4th grade math exercises in PDF..

• 93
The answer key to the math exercises in 5th grade on operating priorities and operations. Know the priority rules for the four operations. Exercise 1: Calculate the following expressions by writing the intermediate steps: a) 7 + 4 x8 =7+32=39 b) 3 x11 - 7x4 =33-28=5 c) 37 - 6…
• 89
The answer key for the subject of brevet de maths 2020 .This correction will allow you to spot your mistakes if you have done the subject in its entirety. Exercise 1: Question 1: Answer B. Question 2: Answer C. Question 3: Answer B. Question 4: Answer C. Question 5: Answer…
• 89
Answers to the math exercises in 3ème on the calculation of volumes and the study of solid sections in space. To know by heart the formulas of volumes (right block, cube, prism, cone of revolution, ball, cylinder and pyramid) and to study sections of solids in third grade. Exercise 10:…

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.

Categories Uncategorized
Mathovore

FREE
VIEW