Max Rescues the Circus Animals: Multiply by 10!

About this Grade 2 Multiplying By 10 100 Drill

Multiplying by 10 and 100 is a foundational pattern that helps second graders see how our number system works. At ages 7-8, children are developing the ability to recognize shortcuts and patterns—this skill builds mental math fluency that makes larger multiplication feel less overwhelming later on. When your child multiplies 5 × 10 to get 50, they're not just memorizing facts; they're learning that adding a zero shifts all the digits left, which is how place value actually functions. This concept appears constantly in real life: counting coins (10 pennies = 1 dime), measuring (10 centimeters = 1 decimeter), or even tracking score at a circus game booth where each ring toss might be worth 10 points. Mastering this pattern now prevents confusion when third and fourth graders tackle multi-digit multiplication, and it gives children genuine confidence in their math ability.

What your student will practice

• Multiply single-digit numbers by 10 accurately and quickly
• Multiply single-digit numbers by 100 and recognize the two-zero pattern
• Apply multiplying-by-10 and multiplying-by-100 to solve word problems
• Explain why multiplying by 10 shifts digits and adds a zero

Common mistakes to watch for

The most common error is second graders adding the multiplier instead of using the pattern—writing 5 + 10 = 15 instead of 5 × 10 = 50. Another frequent mistake is forgetting both zeros when multiplying by 100, so 3 × 100 becomes 30 instead of 300. You'll spot this when a child writes answers that don't follow the zero pattern or when they solve using addition repeatedly. Watch their written work to see if they're thinking about the pattern or just guessing at where zeros go.