Class 5 · No. 04 · Ways to multiply0%
Class 5 · Math · No. 04

Ways to multiply

Break it up, double and halve

There is more than one way to multiply. In this chapter you will break numbers into easy parts, double one number while halving the other, and see why the column method works.

Think about it

A dairy packs 25 crates with 16 bottles each. Can you find the total in your head?

In this chapter
  1. §1Break it up
  2. §2Double and halve
  3. §3Two digits by two digits
  4. ★Practice: 8 questions
  5. ◆Olympiad challenge: 4 questions
  6. ✓Recap: remember this
Class 5 plan

This chapter opens with the Class 5 plan

One chapter in every class is free to try. The rest of Class 5, Math and Science, opens with a plan for the year.

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Plate IWays to multiply
25 × 16= 100 × 4= 400200308012104203