Ratios in Context - ISEE Lower Level Quantitative Reasoning

What is the simplified form of the ratio $16:24$ ?

$2:3$ . Divide both 16 and 24 by their greatest common divisor of 8 to simplify the ratio.
What is the ratio of blue to non-blue if $6$ are blue and $14$ are not blue?

$3:7$ . Divide both 6 and 14 by their greatest common divisor of 2 to simplify the ratio of blue to non-blue.
What is the simplified form of the ratio $2.4:3.6$ ?

$2:3$ . Divide both 2.4 and 3.6 by 1.2 to eliminate decimals and simplify the ratio.
What is the ratio of shaded to unshaded if $9$ squares are shaded out of $15$ total?

$3:2$ . Subtract 9 shaded from 15 total to get 6 unshaded, then divide both 9 and 6 by 3 to simplify.
What is the ratio of $8$ apples to $32$ pieces of fruit in simplest form?

$1:4$ . Divide both 8 and 32 by their greatest common divisor of 8 to simplify the ratio of apples to total fruit.
What is the ratio of wins to losses if a team has $18$ wins and $12$ losses (simplest)?

$3:2$ . Divide both 18 and 12 by their greatest common divisor of 6 to simplify the ratio of wins to losses.
What is the simplified form of the ratio $12:18$ ?

$2:3$ . Divide both 12 and 18 by their greatest common divisor of 6 to simplify the ratio.
What does the ratio $a:b$ represent in context (in simplest words)?

$a$ parts of the first quantity for every $b$ parts of the second. The ratio $a:b$ compares two quantities, expressing the first as $a$ parts relative to $b$ parts of the second in their simplest terms.
What is the ratio of $500$ mL to $2$ L in simplest form?

$1:4$ . Convert 2 L to 2000 mL, then divide both 500 and 2000 by 500 to simplify the ratio.
What is the ratio of girls to total students if there are $15$ girls and $12$ boys?

$5:9$ . Add 15 girls and 12 boys for a total of 27, then divide both 15 and 27 by 3 to simplify the ratio.
What is the simplified form of the ratio $28:35$ ?

$4:5$ . Divide both 28 and 35 by their greatest common divisor of 7 to simplify the ratio.
What is the simplified form of the ratio $63:81$ ?

$7:9$ . Divide both 63 and 81 by their greatest common divisor of 9 to simplify the ratio.
What is the ratio of $2$ feet to $18$ inches in simplest form?

$4:3$ . Convert 2 feet to 24 inches, then divide both 24 and 18 by 6 to simplify the ratio.
What is the ratio of $0.5$ kg to $250$ g in simplest form?

$2:1$ . Convert 0.5 kg to 500 g, then divide both 500 and 250 by 250 to simplify the ratio.
What is the simplified form of the ratio $45:30$ ?

$3:2$ . Divide both 45 and 30 by their greatest common divisor of 15 to simplify the ratio.
What is the ratio of $9$ cats to $3$ dogs in simplest form?

$3:1$ . Divide both 9 and 3 by their greatest common divisor of 3 to simplify the ratio of cats to dogs.
What is the ratio of boys to girls if there are $12$ boys and $15$ girls (simplest)?

$4:5$ . Divide both 12 and 15 by their greatest common divisor of 3 to simplify the ratio of boys to girls.
What is the ratio of $18$ red marbles to $12$ blue marbles in simplest form?

$3:2$ . Divide both 18 and 12 by their greatest common divisor of 6 to simplify the ratio of red to blue marbles.
What is the meaning of the ratio $a:b$ written as a fraction?

$\frac{a}{b}$ . Converting a ratio to a fraction divides the first term by the second to represent their proportional relationship.
What is the ratio of $3$ weeks to $21$ days in simplest form?

$1:1$ . Convert 3 weeks to 21 days, then divide both 21 and 21 by 21 to simplify the ratio.
What is the ratio of $x$ to $y$ in simplest form if $x=24$ and $y=36$ ?

$2:3$ . Divide both 24 and 36 by their greatest common divisor of 12 to simplify the ratio of $x$ to $y$ .
What is the ratio of $7$ girls to $21$ students in simplest form?

$1:3$ . Divide both 7 and 21 by their greatest common divisor of 7 to simplify the ratio of girls to total students.
What is the ratio of $15$ minutes to $1$ hour in simplest form?

$1:4$ . Convert 1 hour to 60 minutes, then divide both 15 and 60 by 15 to simplify the ratio.

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