Max Rescues Pizza Slices: Multiplication Mission!

About this Grade 1 2 Digit By 1 Digit Drill

Two-digit-by-one-digit multiplication is a cornerstone skill that bridges early counting and real multiplication thinking. At ages 6–7, children are developing the mental stamina to hold two-part numbers in their heads—like 23 or 15—and work with them systematically. This skill strengthens place-value understanding, showing children that 23 is really "20 and 3," not just a symbol. When your child multiplies 12 × 3, they're learning that 10 × 3 and 2 × 3 work separately, then combine. This builds flexible thinking they'll rely on for division, fractions, and word problems later. Beyond worksheets, this skill helps them solve real problems—like figuring out the cost of three lunches or how many cookies fit in two boxes.

What your student will practice

• Multiply two-digit numbers by single digits using place value (tens and ones separately)
• Regroup ones into tens and write the answer correctly
• Solve 2-digit-by-1-digit problems with and without regrouping
• Apply multiplication to solve simple word problems involving groups or repeated quantities

Common mistakes to watch for

The most common error is ignoring place value and multiplying digit-by-digit without regrouping. For example, a child might solve 14 × 2 as "1 × 2 = 2" and "4 × 2 = 8," writing 28 instead of 28 (which happens to be correct, but by accident). More visibly, they'll solve 16 × 3 as "1 × 3 = 3" and "6 × 3 = 18," writing 318. Look for answers that don't make sense in size—18 × 2 should be close to 36, not 16. Ask your child to show you their thinking by drawing circles or tens-and-ones bundles to catch this early.