Practice Problems — Set 12
1.NBT.C.6 · Subtract multiples of 10 in the range 10-90 from multiples of 10 in t…
Print and write your answers. Use diagrams to show thinking.
Warm-up
1. Talk through today's focus: Subtract multiples of 10 in the range 10-90 from multiples of 10 in t… 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 252: ___ 2. 42 = ___ tens + ___ ones 3. Expanded form: 52 = ___ + ___ 4. Which is greater: 37 or 44? ___ 5. Write the numeral: 6 tens and 3 ones → ___ 6. Round 59 to the nearest ten: ___ 7. Explain your thinking for set 12 in one sentence. 8. Create your own problem for 1.NBT.C.6.
___________________________ ___________________________ ___________________________ ___________________________
More written practice
1. Apply Subtract multiples of 10 in the range 10-90 from multiples of 10 in t… (item 9, set 12): show your work. ___ 2. Apply Subtract multiples of 10 in the range 10-90 from multiples of 10 in t… (item 10, set 12): show your work. ___ 3. Apply Subtract multiples of 10 in the range 10-90 from multiples of 10 in t… (item 11, set 12): show your work. ___ 4. Apply Subtract multiples of 10 in the range 10-90 from multiples of 10 in t… (item 12, set 12): show your work. ___ 5. Apply Subtract multiples of 10 in the range 10-90 from multiples of 10 in t… (item 13, set 12): show your work. ___ 6. Apply Subtract multiples of 10 in the range 10-90 from multiples of 10 in t… (item 14, set 12): 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