Practice Problems — Set 5
5.NBT.B.5 · Fluently multiply multi-digit whole numbers using the standard algorithm
Print and write your answers. Use diagrams to show thinking.
Warm-up
1. Talk through today's focus: Fluently multiply multi-digit whole numbers using the standard algorithm 2. Try one oral example together before writing. 3. Use the diagram to explain your thinking.
_See printable PDF for diagram._
Written practice
1. Write the value of the underlined digit in 175: ___ 2. 35 = ___ tens + ___ ones 3. Expanded form: 45 = ___ + ___ 4. Which is greater: 30 or 37? ___ 5. Write the numeral: 10 tens and 8 ones → ___ 6. Round 52 to the nearest ten: ___ 7. Apply Fluently multiply multi-digit whole numbers using the standard algorithm (item 7, set 5): show your work. ___ 8. Apply Fluently multiply multi-digit whole numbers using the standard algorithm (item 8, set 5): show your work. ___
___________________________ ___________________________ ___________________________ ___________________________
More written practice
1. Apply Fluently multiply multi-digit whole numbers using the standard algorithm (item 9, set 5): show your work. ___ 2. Apply Fluently multiply multi-digit whole numbers using the standard algorithm (item 10, set 5): show your work. ___ 3. Apply Fluently multiply multi-digit whole numbers using the standard algorithm (item 11, set 5): show your work. ___ 4. Apply Fluently multiply multi-digit whole numbers using the standard algorithm (item 12, set 5): show your work. ___ 5. Apply Fluently multiply multi-digit whole numbers using the standard algorithm (item 13, set 5): show your work. ___ 6. Apply Fluently multiply multi-digit whole numbers using the standard algorithm (item 14, set 5): show your work. ___
___________________________ ___________________________ ___________________________ ___________________________ ___________________________
Patterns and rules
1. Each place is ten times the place to its right. 2. Compare from the largest place first. 3. Expanded form shows the value of each digit.
_See printable PDF for diagram._
___________________________ ___________________________ ___________________________ ___________________________
Parent tip: Use base-ten blocks or place-value charts