Wyoming Math 4.NBT.5a
The Standard
Use strategies based on place value and the properties of multiplication to: Multiply a whole number of up to four digits by a one-digit whole number.
2023 Wyoming Mathematics Content and Performance Standards · Use place value understanding and properties of operations to perform multi-digit arithmetic (limited to whole numbers less than or equal to 1,000,000).
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students multiply a number with up to four digits by a one-digit number. They break the larger number into place values, multiply each part, then add the results.
What Mastery Looks Like
- A student can solve 1,236 × 4 by adding 4,000 + 800 + 120 + 24 to get 4,944. They can explain why the 2 in 1,236 means 200.
Common Misconceptions
- Students may treat a digit as ones instead of using its place value. They may also forget to regroup or skip a zero when adding partial products.
How to Assess It
- On an exit ticket, ask students to solve 2,304 × 3 using expanded form. Have them explain where the 12 ones go in their answer.
Lesson moves
Ways to Teach It
Give pairs place-value disks to build 1,234, make three groups, and trade disks to find 1,234 × 3.
Ask students to write why 203 × 4 equals 200 × 4 plus 3 × 4.
Have pairs draw a four-digit number card and a one-digit multiplier card, then race to solve using partial products.
Give students a seating chart with 1,248 seats and ask how many tickets three sold-out shows would need.
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Printable 4.NBT.5a Worksheet
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