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Ratios - Calculate Value from Total and Item Ratio (Level 2)

This math topic focuses on practicing the calculation of specific item counts from a total given a ratio. It involves problems related to determining the number of dogs, tennis balls, girls, boys, and cats based on ratios like cats to dogs, tennis to soccer balls, and boys to girls. Each problem presents a total number of items and a ratio, challenging learners to use this information to solve for the quantity of a particular item. The questions are structured with multiple-choice answers, enhancing problem-solving skills in proportional reasoning and practical application of ratios.

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

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Ratios - Calculate Value from Total and Item Ratio

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


How many cats are there?

all pets : 14(cats:dogs) = (4:3)\text{all pets : 14}\\\text{(cats:dogs) = (4:3)}\\

Ratios - Calculate Value from Total and Item Ratio Worksheet

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Math worksheet on 'Ratios - Calculate Value from Total and Item Ratio (Level 2)'. Part of a broader unit on 'Ratios of Lengths - Intro' Learn online: app.mobius.academy/math/units/ratios_lengths_calculating_intro/
1
How many soccer balls are there?
A LaTex expression showing \text{all balls : 21}\\\text{(tennis:soccer) = (3:4)}\\
a
12
b
5
c
9
d
7
2
How many girls are there?
A LaTex expression showing \text{all kids : 21}\\\text{(boys:girls) = (2:5)}\\
a
16
b
13
c
15
d
19
3
How many tennis balls are there?
A LaTex expression showing \text{all balls : 32}\\\text{(tennis:soccer) = (5:3)}\\
a
20
b
4
c
24
d
10
4
How many boys are there?
A LaTex expression showing \text{all kids : 21}\\\text{(boys:girls) = (5:2)}\\
a
24
b
17
c
14
d
15
5
How many boys are there?
A LaTex expression showing \text{all kids : 15}\\\text{(boys:girls) = (2:3)}\\
a
6
b
3
c
15
d
13
6
How many tennis balls are there?
A LaTex expression showing \text{all balls : 27}\\\text{(tennis:soccer) = (5:4)}\\
a
15
b
6
c
22
d
23
7
How many cats are there?
A LaTex expression showing \text{all pets : 21}\\\text{(cats:dogs) = (4:3)}\\
a
17
b
2
c
21
d
12