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Math activity

Times Table Towers

Build towers of equal groups! Make 3 towers of 2 blocks each and count the total. Discover that equal groups are everywhere.

Hands OnAbout 20 minutesScreen-freeParent help expected

Materials and setup

How this changes by age

Pre-K (ages 3–4)

Build towers of equal groups! Make 3 towers of 2 blocks each and count the total. Discover that equal groups are everywhere.

Difficulty 1 of 3

Steps

  1. Build 2 towers of 3 blocks each. Count all the blocks: 3 + 3 = 6.
  2. Build 3 towers of 2 blocks each. Count: 2 + 2 + 2 = 6.
  3. Build 4 towers of 2 blocks each. Count: 2 + 2 + 2 + 2 = 8.
  4. Each time, line up the towers and count the total by touching each block.
  5. Ask: 'If we build 5 towers of 2, how many blocks will we need?' Count to check.
  6. Tell a grown-up one thing that surprised you.

Learning objectives

  • Build equal groups using physical objects
  • Count totals of equal groups using repeated addition
  • Predict totals for one more group

Kindergarten (ages 5–6)

Stack blocks in equal towers to practice skip counting by 2s, 5s, and 10s. Record the growing totals and discover patterns in the numbers.

Difficulty 2 of 3

Steps

  1. Build towers of 2 blocks each. After each tower, say the running total: 2, 4, 6, 8, 10.
  2. Build towers of 5 blocks. Count: 5, 10, 15, 20, 25. These are the 5s!
  3. Build towers of 10 blocks. Count: 10, 20, 30. These are the 10s!
  4. Write the skip-counting sequences on paper. Circle any patterns you notice.
  5. Play 'Tower Builder': roll a die for how many towers, then build towers of 5 and count the total.
  6. Tell a grown-up one thing that surprised you.

Learning objectives

  • Skip count by 2s, 5s, and 10s using physical towers
  • Record skip-counting sequences and identify patterns
  • Connect equal group counting to multiplication readiness

Early elementary (ages 6–8)

Build times tables physically by stacking blocks in towers. Record each multiplication fact, discover patterns, and master facts through the physical experience of building.

Difficulty 2 of 3

Steps

  1. Choose a times table to build (start with 3s). Build 1 tower of 3, then 2 towers of 3, up to 10 towers of 3.
  2. After each addition, write the fact: 1x3=3, 2x3=6, 3x3=9, and so on to 10x3=30.
  3. Look for patterns: in the 3s table, the ones digits go 3,6,9,2,5,8,1,4,7,0. What patterns in the 4s?
  4. Build the 6s, 7s, 8s, or 9s table the same way. Write all facts.
  5. Find connections between tables: 3x4=12 and 4x3=12. Which tables share the most facts?
  6. Time yourself reciting a times table without looking. Practice until you can say all 10 facts in under 15 seconds.
  7. In one sentence, tell a parent or sibling what surprised you today.

Learning objectives

  • Build and record complete times tables from 1 to 10
  • Identify patterns within and between multiplication tables
  • Develop fluency with multiplication facts through physical practice

Upper elementary (ages 8–10)

Master all multiplication facts to 12x12 using tower-building patterns. Explore factor relationships, divisibility rules, and connect times tables to real-world applications.

Difficulty 3 of 3

Steps

  1. Build the 11s and 12s tables. What patterns do the 11s have? (11, 22, 33, 44...)
  2. Create a 12x12 multiplication table. Color-code it: highlight all even products, circle all multiples of 5.
  3. Investigate divisibility rules: a number is divisible by 3 if its digit sum is divisible by 3. Test with 10 numbers.
  4. Identify which facts are hardest for you. Create physical tower models for just those 5-8 tricky facts.
  5. Real-world multiplication: if a movie theater has 12 rows of 18 seats, how many total? Calculate 5 similar problems.
  6. Challenge: find all the prime numbers up to 50 using your multiplication table. A prime number appears only in the 1s row and its own row.
  7. In one sentence, tell a parent or sibling what surprised you today.

Learning objectives

  • Achieve fluency with all multiplication facts through 12x12
  • Apply divisibility rules to determine if numbers are divisible by 2, 3, 5, 9, and 10
  • Connect multiplication facts to real-world quantity calculations

Safety and evidence note

Read the full activity before beginning. An adult should supervise tools, heat, food, outdoor work, movement, and experiments as appropriate. Completion records that the activity was done; the child’s explanation, work sample, photo, or demonstration is stronger evidence of learning than a completion check alone.

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