Practice Problems — Set 10
2.NBT.A.2 · Count within 1000; skip-count by 5s, 10s, and 100s
Print and write your answers. Use diagrams to show thinking.
Warm-up
1. Talk through today's focus: Count within 1000; skip-count by 5s, 10s, and 100s 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 230: ___ 2. 40 = ___ tens + ___ ones 3. Expanded form: 50 = ___ + ___ 4. Which is greater: 35 or 42? ___ 5. Write the numeral: 7 tens and 7 ones → ___ 6. Round 57 to the nearest ten: ___ 7. Apply Count within 1000; skip-count by 5s, 10s, and 100s (item 7, set 10): show your work. ___ 8. Apply Count within 1000; skip-count by 5s, 10s, and 100s (item 8, set 10): show your work. ___
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More written practice
1. Apply Count within 1000; skip-count by 5s, 10s, and 100s (item 9, set 10): show your work. ___ 2. Apply Count within 1000; skip-count by 5s, 10s, and 100s (item 10, set 10): show your work. ___ 3. Apply Count within 1000; skip-count by 5s, 10s, and 100s (item 11, set 10): show your work. ___ 4. Apply Count within 1000; skip-count by 5s, 10s, and 100s (item 12, set 10): show your work. ___ 5. Apply Count within 1000; skip-count by 5s, 10s, and 100s (item 13, set 10): show your work. ___ 6. Apply Count within 1000; skip-count by 5s, 10s, and 100s (item 14, set 10): 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