10 printable sets · answer key on every set

2-Digit × 1-Digit Multiplication Worksheets

CCSS 4.NBT.B.5
20 problems per set
Answer key included

What this skill is

Multiplying a two-digit number by a one-digit number — 47 × 6.

When it comes up: Early fourth grade.

The mistake to watch for

Multiplying the ones, then adding the carry before multiplying the tens instead of after.

How to help

Say the order out loud each time: multiply, then add the carry. Doing it in the wrong order gives an answer that looks plausible.

Next: Two-digit by two-digit.

A worked example

Try 34 × 6. Multiply the ones: 4 × 6 = 24 (write 4, carry 2). Multiply the tens: 3 × 6 = 18, plus the 2 carried makes 20. Put it together: 204.

Words to know

multiply: To add the same number again and again, in a faster way.
product: The answer you get when you multiply.
digit: One of the ten number symbols 0 to 9. The number 47 has two digits.
regroup: To trade 10 ones for 1 ten (or 1 ten for 10 ones) when you add or subtract.
estimate: To find an answer that is close, without doing the exact work.

Practice

Multiply.

Showing Set 1 · 20 problems

17 × 2 =
82 × 9 =
68 × 9 =
95 × 2 =
51 × 2 =
13 × 2 =
71 × 6 =
83 × 3 =
64 × 6 =
77 × 7 =
89 × 8 =
93 × 9 =
99 × 6 =
79 × 6 =
31 × 6 =
65 × 9 =
86 × 4 =
95 × 3 =
97 × 3 =
64 × 8 =

Download this set20 problems · answer key included PDF

Answer key

All 10 sets

Each set is a different list of 20 problems with its own answer key. Use the buttons above to look at one on this page, or download any of them as a PDF.

How these sheets were made

Problems are generated for each set and checked against 4.NBT.B.5 before the sheet is built — no duplicates, and every problem falls inside the standard's number range.