Practice Problems — Set 12
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 252: ___ 2. 42 = ___ tens + ___ ones 3. Expanded form: 52 = ___ + ___ 4. Which is greater: 37 or 44? ___ 5. Write the numeral: 7 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 2.NBT.B.7.
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More written practice
1. Apply Add and subtract within 1000, using concrete models or drawings and s… (item 9, set 12): show your work. ___ 2. Apply Add and subtract within 1000, using concrete models or drawings and s… (item 10, set 12): show your work. ___ 3. Apply Add and subtract within 1000, using concrete models or drawings and s… (item 11, set 12): show your work. ___ 4. Apply Add and subtract within 1000, using concrete models or drawings and s… (item 12, set 12): show your work. ___ 5. Apply Add and subtract within 1000, using concrete models or drawings and s… (item 13, set 12): show your work. ___ 6. Apply Add and subtract within 1000, using concrete models or drawings and s… (item 14, set 12): show your work. ___
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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._
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Parent tip: Use base-ten blocks or place-value charts