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🔢 2nd grade math · Counting & Numbers

Hundreds, tens and ones

In 352, the 3 means 3 hundreds, the 5 means 5 tens, and the 2 means 2 ones. A hundred is ten tens.

Worked example

What is the 8 in 778 worth?
Answer: 8
The 8 is in the ones place, so it means 8 ones: 8.

For grown-ups: Hundreds; numbers to 1,000; expanded form. Below: three problems to try with the worked answers, and a free printable sheet. Children can practise the same skill as a game, with no sign-up and no ads.

  • CCSS 2.NBT.A.1
What this practises, for teachers

Practices hundreds; numbers to 1,000; expanded form (2.NBT.A.1). A printable sheet with its answer key, worked answers on the page, no accounts.

▶ Practise it

For your class

🖨️ Printable sheet and key

On the board with this skill:

More printables, with answer keys, for this grade:

Try three

  1. 100 + 90 + 1 = ?
    Show the answer and how
    Answer: 191
    Write the hundreds, then the tens, then the ones: 1 hundreds, 9 tens, 1 ones is 191.
  2. 500 + 9 = ?
    Show the answer and how
    Answer: 509
    Write the hundreds, then the tens, then the ones: 5 hundreds, 0 tens, 9 ones is 509.
  3. 5 hundreds, 7 tens and 5 ones make what number?
    Show the answer and how
    Answer: 575
    Write the hundreds, then the tens, then the ones: 5 hundreds, 7 tens, 5 ones is 575.

Before and after

Learn first: Compare two-digit numbers (1st), Ten more, ten less (1st)

Comes next: Skip count by 5s, 10s, 100s (2nd), Compare three-digit numbers (2nd)

Name: ____________________Date: ____________Score: ____ / 12

Hundreds, tens and ones (2nd grade)

  1. 900 + 40 + 6 = ?
  2. What is the 9 in 939 worth?
  3. What is the 7 in 674 worth?
  4. 3 hundreds, 9 tens and 4 ones make what number?
  5. 800 + 9 = ?
  6. 800 + 30 + 8 = ?
  7. 1 hundred, 0 tens and 2 ones make what number?
  8. 200 + 2 = ?
  9. 300 + 1 = ?
  10. What is the 6 in 607 worth?
  11. 3 hundreds, 5 tens and 8 ones make what number?
  12. What is the 6 in 687 worth?

Answer key

  1. 946
  2. 900
  3. 70
  4. 394
  5. 809
  6. 838
  7. 102
  8. 202
  9. 301
  10. 600
  11. 358
  12. 600

More 2nd grade skills: all 2nd grade math skills, or every grade at math skills.