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Ratios - Calculate Value from Total Ratio (Level 1)

This math topic focuses on developing skills related to calculating specific values from given total ratios. It is introductory level training on ratios of various objects such as tennis balls to soccer balls or boys to girls relative to total counts. By learning how to interpret and compute the numerical relationships between two quantities and their total, students will enhance their analytical skills in understanding proportional reasoning and fractions. The problems presented require determining missing quantities within fixed ratios using contextual clues provided, thus aiding in building a foundational understanding of ratios in practical scenarios.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Ratios - Calculate Value from Total Ratio

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


How many soccer balls are there?

tennis balls : 2soccer balls : ?(soccer:all balls) = (5:7)\text{tennis balls : 2}\\\text{soccer balls : ?}\\\text{(soccer:all balls) = (5:7)}\\

Ratios - Calculate Value from Total Ratio Worksheet

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Math worksheet on 'Ratios - Calculate Value from Total Ratio (Level 1)'. Part of a broader unit on 'Rates and Ratios - Practice' Learn online: app.mobius.academy/math/units/rates_and_ratios_practice/
1
How many soccer balls are there?
A LaTex expression showing \text{tennis balls : 5}\\\text{soccer balls : ?}\\\text{(soccer:all balls) = (4:9)}\\
a
5
b
4
c
6
d
2
2
How many soccer balls are there?
A LaTex expression showing \text{tennis balls : 5}\\\text{soccer balls : ?}\\\text{(soccer:all balls) = (2:7)}\\
a
1
b
8
c
10
d
2
3
How many girls are there?
A LaTex expression showing \text{boys : 5}\\\text{girls : ?}\\\text{(girls:all kids) = (3:8)}\\
a
3
b
1
c
12
d
5
4
How many dogs are there?
A LaTex expression showing \text{cats : 2}\\\text{dogs : ?}\\\text{(dogs:all pets) = (5:7)}\\
a
5
b
3
c
2
d
12
5
How many cats are there?
A LaTex expression showing \text{cats : ?}\\\text{dogs : 5}\\\text{(cats:all pets) = (4:9)}\\
a
7
b
4
c
2
d
13
6
How many dogs are there?
A LaTex expression showing \text{cats : 4}\\\text{dogs : ?}\\\text{(dogs:all pets) = (3:7)}\\
a
2
b
1
c
3
d
7
7
How many dogs are there?
A LaTex expression showing \text{cats : 4}\\\text{dogs : ?}\\\text{(dogs:all pets) = (5:9)}\\
a
1
b
11
c
3
d
5