Lesson 1: Add and subtract decimals

Before you have access to this lesson from the links below, click on “Materials” to see what’s covered. The exercise is expected to last for not more than 1 hour 3o minutes, and please, be ready to complete this lesson in ONE session. If you haven’t signed up for the IXL SKILLS package, the temporal login info that you purchase from the link below, will be valid for 48 hours. 

For temporal access: Click here.

Warmup: Choose the vertical arrangement below where digits are correctly lined up. Click on it. Finish the calculation by finding the sum.

Activity #1 (30 minutes)

1. Topic: Add and subtract decimals(Applet).

2. Explainer Video: Add and subtract decimals.

Practice Exercise (30 minutes).

Topic: Add and subtract decimals.

Quiz Time – (Two sets: 30 minutes).

Topic: Add and subtract decimals(to be taken while you are logged in).

  1. An applet.
  2. Explainer video on "Add and subtract decimals".
  3. Exercise questions on "Add and subtract decimals". The questions exhibit an increasing order of difficulty. 
  4. Two sets of quizzes on "Add and subtract decimals". The questions exhibit an increasing order of difficulty, and an average score of 80% expected.