Instructions
Let's have fun with numbers! Follow the directions for each part to show how much you know about tens and ones.
Part 1: Count the Blocks
Each tall block â–“ is a ten. Each small circle â— is a one. Count the blocks and write the total number.
1. â–“â–“ â—â—â—â—â— = ___________
2. â–“â–“â–“â–“ â—â— = ___________
3. â–“ â—â—â—â—â—â—â— = ___________
4. â–“â–“â–“â–“â–“â–“ â—â—â—â— = ___________
Part 2: Break It Down!
Look at the number and write how many tens and ones it has.
1. 48 = _________ tens and _________ ones
2. 73 = _________ tens and _________ ones
3. 15 = _________ ten and _________ ones
4. 90 = _________ tens and _________ ones
Part 3: Build the Number!
Read the tens and ones, then write the whole number on the line.
1. 3 tens and 6 ones = ___________
2. 8 tens and 1 one = ___________
3. 5 tens and 0 ones = ___________
4. 0 tens and 9 ones = ___________
Part 4: What's It Worth?
Circle the correct value of the underlined digit.
| 52 | 5 | 50 |
| 86 | 6 | 60 |
| 19 | 1 | 10 |
| 33 | 3 | 30 |
Answer Key
Part 1: Count the Blocks
1. 25
2. 42
3. 17
4. 64
Part 2: Break It Down!
1. 4 tens and 8 ones
2. 7 tens and 3 ones
3. 1 ten and 5 ones
4. 9 tens and 0 ones
Part 3: Build the Number!
1. 36
2. 81
3. 50
4. 9
Part 4: What's It Worth?
52 → 50
86 → 6
19 → 10
33 → 3