Khan Academy Wiki
Multiplication without carrying
Multiplication 1.5 256
Description
Exercise Name: Multiplication without carrying
Math Missions: 4th grade (U.S.) Math Mission, Arithmetic essentials Math Mission
Types of Problems: 1

The Multiplication without carrying exercise appears under the 4th grade (U.S.) Math Mission and Arithmetic essentials Math Mission. This exercise practices multiplication.

Types of Problems[]

There is one type of problem in this exercise:

  1. Multiply the numbers: This problems has a multiplication problem which the user is to perform and answer correctly in the box provided.
    Multnocarry

    Multiply the numbers

Strategies[]

This exercise is easy to get accuracy badges and speed badges. The multiplication has no carrying, so there are not a lot of options for what is being multiplied. Two and three times tables are almost sufficient with very few exceptions.

  1. The calculator will likely make you slower here, just do them in your head.

Real-life Applications[]

  1. Multiplication is needed and used by mechanics for repairing cars by multiplying when they overhaul the engine, measure the pistons or just to put in a new gearbox or engine.
  2. By learning multiplication and memorizing the times tables, users provide themselves with essential building blocks to do higher learning math, like division, fractions and even algebra.
  3. Multiplication is necessary for a career in the stock market.