options: Use place value understanding and properties of operations to add and subtract.

Generalize place value understanding for multi-digit whole numbers.
Grade 4 expectations in this domain are limited to whole numbers less than or equal to 1,000,000.

Work with numbers 11–19 to gain foundations for place value.

Use place value understanding and properties of operations to perform multi-digit arithmetic.
Grade 4 expectations in this domain are limited to whole numbers less than or equal to 1,000,000.

Extend the counting sequence.

Use place value understanding and properties of operations to perform multi-digit arithmetic. (A range of algorithms may be used.)

Understand the place value system.

Perform operations with multi-digit whole numbers and with decimals to hundredths.

Understand place value.
problem_activity: Narrative
The purpose of this Choral Count is to invite students to count on from a number other than 1. This helps students develop fluency with the count sequence and will be helpful as students relate counting to addition and begin to make sense of the counting on method of adding.
Launch
"Count by 1, starting at 10."
Record as students count.
Stop counting and recording at 40.
Activity
"What patterns do you see?"
1–2 minutes: quiet think time
Record responses.
Student Response
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Activity Synthesis
"How did you know what number comes after 10? 19? 29?"


correct_option_index: 4