Step-by-step practice Maths textbook

Chapter 4: Adding within 1000

  • Strand Addition
  • Level Level 3
  • Practice 89 questions with step-by-step solutions

Step-by-step practice: maths (Level 3). Small steps, repeated until fluent. Content: Add a 1-digit number to a 2-digit or 3-digit number, with carrying from the ones to the tens, Add two 2-digit numbers with carrying from the ones or the tens, Add 3-digit numbers with carrying from the tens to the hundreds, Set sums out in columns with hundreds, tens and ones lined up, Add in any order, estimate the answer first and check it is close, and solve one-step word problems.

Open Level 3 chapter

By the end of this chapter you will be able to

  • Add a 1-digit number with carrying
  • Add two 2-digit numbers with carrying
  • Add 3-digit numbers with carrying
  • Estimate and check answers
  • Solve addition word problems

You should already know

  • Adding within 100 without carrying (Level 2, chapter 7)
  • Hundreds, tens and ones (chapter 2)

Where this leads

  • Subtracting within 1000 (chapter 5)

Lessons in this chapter

  1. 4.1 Adding a 1-digit number with carrying
  2. 4.2 Adding two 2-digit numbers with carrying
  3. 4.3 Adding 3-digit numbers with carrying
  4. 4.4 Word problems, adding in any order, and estimating
  5. Summary and key words
  6. Check-up and practice test questions

Read the whole chapter on one page (good for printing).