math tasks

All grades have Ten Marks assignments due tomorrow
Grade 6
Lesson 15 Synthesis of Representations
Grade 7
Lesson 11 Ratios of Fractions and Their Unit Rates
Grade 8
Frayer model for Scientific Notation
Lesson 9 Scientific Notation

Here is a you-tube link as a reference for operations with scientic notation
https://www.youtube.com/watch?v=p0zVNTko7z4