Math / 1st Grade / Unit 6: Place Value to 99

Place Value to 99

This unit will include approximately 27 lessons. Units 4 through 8 will be released on a rolling basis starting in Fall 2025.

Math

Unit 6

1st Grade

Unit Summary

Fluency Activities

Access a full library of standards-aligned activities to engage students in practicing and strengthening their procedural skills and fluency.

Reinforce understanding that 10 can be thought of as a unit, or group of 10 ones, called a ten.

Count and represent a multiple of 10 objects within 50 with a pictorial model and a written numeral.

Represent and record multiples of 10 within 50 using linking cubes, ten frames, and unit form.

Key

Major Cluster

Supporting Cluster

Additional Cluster

CCSS.MATH.PRACTICE.MP1 — Make sense of problems and persevere in solving them.
CCSS.MATH.PRACTICE.MP2 — Reason abstractly and quantitatively.
CCSS.MATH.PRACTICE.MP3 — Construct viable arguments and critique the reasoning of others.
CCSS.MATH.PRACTICE.MP4 — Model with mathematics.
CCSS.MATH.PRACTICE.MP5 — Use appropriate tools strategically.
CCSS.MATH.PRACTICE.MP6 — Attend to precision.
CCSS.MATH.PRACTICE.MP7 — Look for and make use of structure.
CCSS.MATH.PRACTICE.MP8 — Look for and express regularity in repeated reasoning.

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