One option is to quick-review the concepts by using "Federal Test Papers."
Many of the questions are higher-level than what you see in the text, there are plenty of word problems to begin practicing those bar-diagrams, and it only takes about two weeks to go through one. The Test Papers are what they sound like: tests on the different topics at each grade level including mid-term and finals. Since he's already familiar with much of the material you could choose those topics which you think he might need to polish.
Singapore Math Question?
in K-8 Curriculum Board
Posted
One option is to quick-review the concepts by using "Federal Test Papers."
Many of the questions are higher-level than what you see in the text, there are plenty of word problems to begin practicing those bar-diagrams, and it only takes about two weeks to go through one. The Test Papers are what they sound like: tests on the different topics at each grade level including mid-term and finals. Since he's already familiar with much of the material you could choose those topics which you think he might need to polish.