Questions

From Worst to Best

1211 P6.RD.TL.16010131

Level 3
Sean and David had some allowance in the ratio of 3 : 7. They shared some money to buy a bracelet for their cousin. The ratio of the amount paid by Sean to the amount paid by David was 1 : 2. If David was left with $176 and Sean had spent ¹₄ of his money, how much was the bracelet they bought?

4 m

Video Attempt

1212 P4.WN.JM.17102315

Level 2
Machine A produces thrice as many buns as Machine B in a day. Together, they produce 9408 buns in a day. How many buns can Machine B produce in a day?

2 m

Attempt

Model Times-as-many Units method

1213 P6.AG.JC.17080467

Level 3
Ali is b years old. Bill is four times as old as Ali and Calvin is 6 years younger than Bill.

Express Calvin's age in terms of b.
Ali is 10 years old as of now. ln how many years' time will Calvin be 3 times as old as Ali?

4 m

Attempt

Algebra in 1 variable Algebra simplifying More than or less than Times as many Units method

1214 P3.FR.JM.17103164

Level 3
Mrs Osman bought 3 kg of peanuts. She roasted 1 kg 500 g of the peanuts and boiled 1 kg 250 g of it. What fraction of the peanuts she bought was left?

4 m

Attempt

Fraction of a whole F Addition & subtraction Fractions with units Mass Unit conversion Model Part-whole

1215 P5.RA.JC.17083327

Level 3
Hannah went shopping with 4 times the amount that Kelly brought. The ratio of the amount of money Kelly spent to the amount of money Hannah spent was 2 : 3. In the end, Kelly and Hannah had $12 and $108 respectively. How much did Kelly spend?

4 m

Attempt