Questions

From Worst to Best

226 P6.RD.TL.16010130

Level 3
Cathy had some coin collection. ¹₄ of them were red and the rest were yellow. She gave away 135 of the yellow coins and 50% of the red coins. She then had ¹₅ of her coin collection left. How many coins did Cathy give away?

4 m

Video Attempt

227 P6.RD.TL.16010149

Level 3
Liam had ⁵₇ as many 20-cent coins as 1-dollar coins in his piggy bank. Each time, four 20-cent coins and six 1-dollar coins were taken out from the piggy bank. In the end, only seven 20-cent coins and four 1-dollar coins were left in the piggy bank. How many more 1-dollar coins than 20-cent coins were there in the piggy bank at first?

4 m

Attempt

Ratio to units Times as many All change Units table Units manipulation

228 P6.PC.TL.16010129

Level 3
Ken has 30% more stamps than Vincent. Tim has 80% the number of stamps Ken has.

What is the ratio of the number of Vincent's stamps to the number of Tim's stamps?
If the total number of stamps of Ken's and Tim's is 150 more than Vincent's, how many stamps does Ken have?

4 m

Attempt

Percent to units Percent of different bases More than or less than Repeated identity Units table

229 P6.RD.TL.16010147

Level 3
Aunt Tina baked 50 less cookies than muffins. After she gave ³₅ of the muffins and 0.7 of the cookies to Cathy, she was left with 88 fewer cookies than muffins. How many muffins did she bake?

4 m

Attempt

Money More than or less than Times as many All change Units manipulation Model & units table

230 P6.RD.TL.16010135

Level 3
Lisa had 740 more candies than Anna. Lisa used ⁵₆ of her candies and Anna used ¹₂ of her candies. In the end, Lisa had 2 times as much as Anna. Find the number of candies Anna had at first.

4 m

Attempt

Fraction to units More than or less than Times as many All change Units manipulation Model & units table

5 per page

10 per page

20 per page