Questions

From Worst to Best

66 P4.DE.JC.17100405

Level 3
A tank contained 3.7 ℓ more water than a pail. After some water was poured from the tank to the pail, both the tank and the pail had 6 ℓ of water each. How much water was there in the pail at first?

3 m

Attempt

D 4 operations Volume Equal stage after Internal transfer Model Comparison Units table

67 P6.PC.TL.16010145

Level 3
If Yvonne gives Oscar $27, the amount of money she has will be 25% of his. If Oscar gives Yvonne $12, he will have the same amount of money as her. How much money did each of them have?
(a) Oscar
(b) Yvonne

4 m

Attempt

Percent to units Money Equal stage after Internal transfer Unchanged total Double if Units table Decimal units

68 P5.FR.JC.17083135

Level 3
Mrs. Ben made 248 more white chocolate cookies than dark chocolate cookies. After she gave away ⁵₇ of the white chocolate cookies and ¹₃ of the dark chocolate cookies, there were an equal number of white chocolate cookies and dark chocolate cookies left. How many white chocolate cookies did she give away?

3 m

Attempt

Fraction of a set Fraction to units More than or less than Equal stage after Common numerator All change Units table

69 P6.RD.TL.16010114

Level 3
Lisa and Gillian had a total of 64 beads. Lisa gave ¹₃ of her beads to Gillian. In return, Gillian gave ¹₅ of the total number of beads that she had to Lisa. In the end, each girl had the same number of beads. How many beads did Gillian have at first?

4 m

Video Attempt

Fraction to units Equal stage after Internal transfer Unchanged total Working backwards Units table Units & parts Substitution

70 P5.RD.JM.17083335

Level 3
A coin bank contains some twenty-cent and fifty-cent coins in the ratio of 4 : 5. When 16 fifty-cent coins were taken out and replaced by some twenty-cent coins, the ratio became 8 : 7. The total value of the twenty-cent coins added was the same as the total value of the fifty-cent coins taken out. Find the sum of money in the coin box.

5 m

Attempt