Practice Problems — Set 15
2.NBT.B.7 · Add and subtract within 1000, using concrete models or drawings and s…
Print and write your answers. Use diagrams to show thinking.
Warm-up
1. Talk through today's focus: Add and subtract within 1000, using concrete models or drawings and s… 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 285: ___ 2. 45 = ___ tens + ___ ones 3. Expanded form: 55 = ___ + ___ 4. Which is greater: 40 or 47? ___ 5. Write the numeral: 7 tens and 6 ones → ___ 6. Round 62 to the nearest ten: ___ 7. Explain your thinking for set 15 in one sentence. 8. Create your own problem for 2.NBT.B.7.
___________________________ ___________________________ ___________________________ ___________________________
More written practice
1. Apply Add and subtract within 1000, using concrete models or drawings and s… (item 9, set 15): show your work. ___ 2. Apply Add and subtract within 1000, using concrete models or drawings and s… (item 10, set 15): show your work. ___ 3. Apply Add and subtract within 1000, using concrete models or drawings and s… (item 11, set 15): show your work. ___ 4. Apply Add and subtract within 1000, using concrete models or drawings and s… (item 12, set 15): show your work. ___ 5. Apply Add and subtract within 1000, using concrete models or drawings and s… (item 13, set 15): show your work. ___ 6. Apply Add and subtract within 1000, using concrete models or drawings and s… (item 14, set 15): 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