1. The total length of Marker, Pen, and Pencil is 48 cm. The ratio of the length of Marker to Pen to Pencil is 2 : 3 : 7.
The Eraser is 1.5 times as long as the Pen. What is the length of the Eraser? 

 

WA2,NHSP,2024,TestNHSPWA22024,Ratio,Primary 5

📖 REMINDER: Find the length of the Pen first using the ratio, then calculate the Eraser's length.

 
1.
2.
3.
4.
2. Ben bought 24 pencils and 56 erasers. Find the ratio of the number of pencils to the
total number of pencils and erasers bought by Ben. 

 

📖 REMINDER: First find the total items, then express the ratio in simplest form.

WA2,NHSP,2024,TestNHSPWA22024,Ratio,Primary 5
1.
2.
3.
4.
3. Maya, Liam, and Noah have $90 altogether. The ratio of Maya's money to Liam's money to
Noah's money is 2 : 3 : 4. How much money do Maya and Noah have altogether? 

 

📖 REMINDER: Find the value of one ratio part first, then calculate the combined amount.

 

WA2,NHSP,2024,TestNHSPWA22024,Ratio,Primary 5
1.
2.
3.
4.

4. Find the missing number in the box.
8 : 12 = 18 : ?

 

 

Answer:

 

 

📖 REMINDER: Equivalent ratios have equal cross products.

 

 

WA2,NHSP,2024,TestNHSPWA22024,Ratio,Primary 5

5. James is 15 years old. Sophia is 12 years old. Find the ratio of James's age to Sophia's age in 4 years' time.

 

Answer:

 

 

📖 REMINDER: First calculate their future ages, then form and simplify the ratio.

 

 

WA2,NHSP,2024,TestNHSPWA22024,Ratio,Primary 5

6. Emma, Liam, and Noah have some books. The ratio of the number of Emma's books to the number
of Liam's books to the number of Noah's books is 2 : 3 : 6.Each of the statements below is either true,
false or not possible to tell from the information given. Put a tick (✓) to indicate your answer.

 

Statement Answer
Liam has 1.5 times as many books as Emma.
If Noah has 36 books, Emma and Liam will have 20 books altogether.
They have 55 books altogether.

 

 

 

📖 REMINDER: Compare ratios with given statements—check if statements must always be true, always false, or depend on unknown total.

 

 

WA2,NHSP,2024,TestNHSPWA22024,Ratio,Primary 5


 

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