Base Ten Block Examples for Numbers 1 to 1000

📚 Quick Study Guide

• 🧊Units (Ones): Represent individual units.
• 📏Longs (Tens): Represent a group of ten units.
• ⬜Flats (Hundreds): Represent a group of one hundred units (ten longs).
• 📦Cubes (Thousands): Represent a group of one thousand units (ten flats).
• ➕ Use base ten blocks to visually represent numbers by combining the blocks. For example, 123 is one flat, two longs, and three units.
• ✏️ When adding with base ten blocks, combine like blocks and regroup if you have ten or more of a single block type.
• ➖ When subtracting with base ten blocks, take away the blocks representing the number you are subtracting. You may need to exchange larger blocks for smaller blocks if you don't have enough to take away.

Practice Quiz

1. What number is represented by 3 flats, 4 longs, and 2 units?
   1. 243
   2. 324
   3. 342
   4. 432
2. How many longs are needed to represent the number 70?
   1. 17
   2. 7
   3. 70
   4. 10
3. What base ten blocks represent the number 205?
   1. 2 flats and 5 longs
   2. 2 longs and 5 units
   3. 2 flats and 5 units
   4. 20 longs and 5 units
4. Which number is represented by 1 flat and 11 units?
   1. 111
   2. 101
   3. 11
   4. 21
5. If you have 2 flats, 3 longs, and 5 units, and you add 1 flat, 2 longs, and 1 unit, what is the total?
   1. 356
   2. 365
   3. 653
   4. 536
6. You have 5 longs. If you take away 2 longs, how many units are left?
   1. 20
   2. 3
   3. 30
   4. 5
7. What blocks would you use to show 999?
   1. 9 flats, 9 longs, 9 cubes
   2. 9 flats, 9 longs, 9 units
   3. 9 cubes, 9 longs, 9 units
   4. 9 flats, 9 cubes, 9 units