Lesson 3.1 Group Tens as Hundreds

IXL: No IXL recommendations

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Lesson 3.2 Explore 3-Digit Numbers

IXL:
No IXL recommendations

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Lesson 3.3 Hands On - Model 3 Digit Numbers

IXL:
M.2 Place Value Models - up to hundreds
M.11 Convert to/from a number - up to hundreds

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Lesson 3.4 Hundreds, Tens and Ones

IXL:
M.2 Place Value Models - up to hundreds
M.11 Convert to/from a number - up to hundreds

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Lesson 3.5 Place Value to 1,000

IXL:
M.7 Place Value - up to thousands

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Lesson 3.6 Number Names

IXL:
C.2 Writing numbers up to 100 in words
C.4 Writing numbers up to 1,000 in words
M.14 Convert from expanded form - up to hundreds

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Lesson 3.7 Different Forms of Numbers

IXL:
M.12 Convert to/from a number - up to thousands
M.14  Convert from expanded form - up to hundreds
M15 Convert from expanded form - up to thousands

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Lesson 3.8 Different Ways to Show Numbers

IXL:
M.3 Place value models - up to thousands

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Lesson 3.9 Count On and Count Back by 10 and 100

IXL:  No IXL suggestions

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Lesson 3.10 Number Patterns

IXL:
A.3 Skip-counting sequences

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3.11 Problem Solving: Compare Numbers

IXL:
B.1 Comparing numbers up to 100
B.2 Comparing numbers up to 1,000
B. 5 Greatest and least - word problems - up to 100
B.6  Greatest and least - word problems - up to 1,000

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3.11 Algebra - Compare Numbers

IXL:
B.2 Comparing numbers up to 1,000
B.3 Put numbers up to 100 in order
B.4 Put numbers up to 1,000 in order