Primary 6 Math Diagnostic Test

3 blouses and 8 skirts cost $408 while 8 blouses and 3 skirts cost $345.50. How much

does each blouse cost?

Answer explanation

Tags

CCSS.8.EE.C.8C

Daniel has thrice as many 20-cent coins as 50-cent coins. If he has $66 in total, how many 20-cent coins does Daniel have?

Answer explanation

Tags

CCSS.4.MD.A.2

The ratio of the number of red balls to the number of black balls in a basket was 2 : 3 at first. After 18 red balls were removed and 18 black balls were put into the basket, the ratio became 4 : 11. How many black balls were there in the basket in the end?

Answer explanation

Tags

CCSS.7.RP.A.3

• 72

• 41

• 35

• 11

Answer explanation

Change mixed number into improper fraction with the denominator as 7. Take the numerator as the answer.

Answer explanation

Adding Mixed Number

Tags

CCSS.7.NS.A.3

Imran earns $4000 a month. He saves 30% of his salary and spends the rest.

How much does he spend in a month?

• $120

• $280

• $1200

• $2800

Answer explanation

Adding Mixed Number

Tags

CCSS.6.RP.A.3C

In the figure below, ADE and CDE are identical triangles that partially overlap.
The length of AE is 16 cm and the area of triangle BDE is 15 cm?.
Find the area of the entire figure.

Answer explanation

Adding Mixed Number

Tags

CCSS.6.G.A.1

AB and CD are straight lines. Find the sum of ∠AOD and ∠BOE.

Answer explanation

1. 1. Vertically opposite angles

2. 2. Angles on a straight line

Tags

CCSS.7.G.B.5

Billy took up a part-time job and was paid by the rates as shown in the table.

Billy worked 7 hours each day on some weekdays and 5 hours on a Saturday.

He was paid $271.50 altogether. How many weekdays did he work?

Tags

CCSS.7.EE.B.3

During an overseas vacation, Rita and Sarah had the same amount of allowance. Each day, Rita spent $4 and Sarah spent $6. At the end of the vacation, Sarah had $12 left, while Rite had 4 times as much money as Sarah.How many days did the vacation last?

Answer explanation

Tags

CCSS.7.EE.B.4A