Steply

Number words to 100

Elementary · 21 problems, easy to harder

▶ Watch the first one solved

How we do it

  1. Split into tens and ones
  2. Say each part
  3. Write the word
  4. Check

The steps for Write 21 in words. Every solution names its steps, so you always know what comes next.

Worked examples

Write 21 in words Easy

The question

Question: write 21 in words.

Write 21 in words

1 Split into tens and ones

21 is 2 tens and 1 one.

That is 20 and 1.

21 = 20 + 1

2 Say each part

20 is twenty.

20 → twenty

1 is one.

1 → one

3 Write the word

We join them with a dash: twenty-one.

= twenty-one

4 Check

We read it back.

Twenty is 20, one is 1.

Together 21.

Yes!

It works.

twenty-one → 20 + 1 = 21

Let's look back.

First: split into tens and ones.

Then: say each part.

Then: write the word.

Last: check.

Answer
= twenty-one

▶ Watch it solved

Write 68 in words Medium

The question

Question: write 68 in words.

Write 68 in words

1 Split into tens and ones

68 is 6 tens and 8 ones.

That is 60 and 8.

68 = 60 + 8

2 Say each part

60 is sixty.

60 → sixty

8 is eight.

8 → eight

3 Write the word

We join them with a dash: sixty-eight.

= sixty-eight

4 Check

We read it back.

Sixty is 60, eight is 8.

Together 68.

Yes!

It works.

sixty-eight → 60 + 8 = 68

Let's look back.

First: split into tens and ones.

Then: say each part.

Then: write the word.

Last: check.

Answer
= sixty-eight

▶ Watch it solved

Write 40 in words Harder

The question

Question: write 40 in words.

Write 40 in words

1 Split into tens and ones

40 is 4 tens and 0 ones.

2 Say each part

40 is forty.

40 → forty

3 Write the word

So 40 is forty.

= forty

Careful!

Four has a u.

Forty does not.

Careful: not fourty ✗

4 Check

We read it back.

Forty is 40.

Yes!

It works.

forty → 40

Let's look back.

First: split into tens and ones.

Then: say each part.

Then: write the word.

Last: check.

Answer
= forty

▶ Watch it solved

Practice

Try each one, then open the answer. Stuck? Open the problem to watch every step.

Easy

  1. write 21 in words
    Answer
    = twenty-one
  2. write 34 in words
    Answer
    = thirty-four
  3. write 56 in words
    Answer
    = fifty-six
  4. write 70 in words
    Answer
    = seventy
  5. write 18 in words
    Answer
    = eighteen
  6. write 13 in words
    Answer
    = thirteen

Medium

  1. write 68 in words
    Answer
    = sixty-eight
  2. write 45 in words
    Answer
    = forty-five
  3. write 99 in words
    Answer
    = ninety-nine
  4. write 16 in words
    Answer
    = sixteen
  5. write 11 in words
    Answer
    = eleven
  6. write 87 in words
    Answer
    = eighty-seven
  7. write forty-two as a number
    Answer
    = 42
  8. write seventy-five as a number
    Answer
    = 75
  9. write thirty as a number
    Answer
    = 30

Harder

  1. write 40 in words
    Answer
    = forty
  2. write 15 in words
    Answer
    = fifteen
  3. write 44 in words
    Answer
    = forty-four
  4. write ninety-one as a number
    Answer
    = 91
  5. write fourteen as a number
    Answer
    = 14
  6. write sixty as a number
    Answer
    = 60