SALTA 1st Grade Curriculum Map

• identify likely strategies for solving the problem • make sure the answer makes sense before stopping work • look for ways to get past being stuck and try alternative ways to solve the problem when stuck.

Focus

Standards

Curriculum Supports – enVision 2.0

Vocabulary

1.NBT.2 1.NBT.3 (1.NBT.B)

Strand: Number and Operations in Base Ten

Topic 9: Compare Two-Digit Numbers (pp. 493A-493B)

Topic 9:

First grade students will understand place value.

• less • compare • greater than (>) • less than (<)

9-1 1 more, 1 less; 10 more, 10 less (pp. 497-502) 9-2 Make Numbers on a Hundred Chart (pp. 503-508) 9-3 Compare Numbers (pp. 509-514) 9-4 Compare Numbers with Symbols (pp. 515-520) 9-5 Compare Numbers on a Number Line (pp. 521-526) 9-6 Math Practices and Problem Solving: Make Sense and Persevere (pp. 527-532)

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). Standard 1.NBT.3 Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.

Assessment Options:

Topic 9 Assessment – Compare Two-Digit Numbers (print or online) (pp. 537-538)

Topic 9 Performance Assessment – Compare Two- Digit Numbers (pp. 539-540)

Team Created Assessment

Assessment Tasks – Topic 9 USBE 1 st Grade Standards Assessments

Procedural Check

Application Task

1.NBT.2

Students draw a picture of a two-digit number showing tens and ones.

Give students a paper with many pictures of the same small object. Ask the students to circle sets of ten (these are not organized on the paper), find how many objects there are and represent the number in expanded form.

Students will be able to look at a two-digit number and identify