DLP Gr. 3 Module 6 : Rounding off numbers DLP Gr. 6 Module 18: Estimating Quotients of whole numbers and decimals DLP Gr. 3 Module 3 : Read and write numbers through 900 000 DLP Gr. 6 Module 13: Estimating products of whole numbers and decimals DLP Gr. 4 Module 71: Word problems involving multiplications DLP Gr. 5 Module 9: Finding the Greatest Common Factor of Two or More Numbers DLP Gr. 5 Module 44: relating factors/ratio/decimals and percents DLP Gr. 4 Module 70: Finding a fractional part of a number DLP Gr. 3 Module 29 : Dividing 3 digit numbers without remainder