Nelson Mathematics Workbook 4 is a drill book for Ontario school grade 4 level.
It has these study units:
1. Patterns in Mathematics
2. Numeration
3. Data Management
4. Addition and Subtraction
5. Measuring Length and Time
6. Multiplication and Division Facts
7. 2-D Geometry
8. Area and Grids
9. Multiplying Greater Numbers
10. Dividing Greater Numbers
11. 3-D Geometry and 3-D Measurement
12. Fractions and Decimals
13. Probability
14. Patterns and Motion in Geometry

It has 131 pages.

To get the answers, go to  www.mthK8.nelson.com:
Click Companion Sites;
Click the book title (e.g. Nelson Math 6)
Click Parent Centre;
Click Workbook Answers.