SALTA 1st grade

1.NBT.2

Strand: Number and Operations in Base Ten First grade students will understand place value.

Topic 8: Understand Place Value Pick a Project • Hot Dog! • Marking Marks • Cracker Stack • Ten Underwater

Topic 8:

• tens • ones

Standard 1.NBT.2 Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases: a. 10 can be thought of as a bundle of ten ones called a “ten.” b. The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones. c. The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).

8-1 Make Numbers 11-19 8-2 Numbers Made with Tens 8-3 Count with Groups of Tens and Ones 8-4 Tens and Ones 8-5 Continue with Tens and Ones 8-6 Problem Solving: Look For and Use Structure

Topic 8 Manipulatives • Counters • Number Cards •

Double ten-frames Connecting Cubes

•

Assessment Options: Topic 8 Assessment – Understand Place Value (print or online) Topic 8 Performance Assessment – Understand Place Value Team Created Assessment

District Wide Standards-Based Assessment #2 (Window: January 13 – January 28)

Assessment Tasks – Topic 8

Procedural Check

Application Task

1.NBT.2

22 cubes can be grouped many different way and still be 22. Draw and use words to justify all the many ways 22 can be grouped.

(DOK 3)

©Canyons School District