SALTA 2nd grade

number represent amounts of hundreds, tens, and ones; for example, 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases: a. 100 can be thought of as a bundle of ten tens called a "hundred." b. The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones). Standard 2.NBT.2 Count within 1,000; skip-count by fives, tens, and hundreds.

Amazing Waterfalls Solve Weight Riddles

• digit • place-value chart • standard form • expanded form • word form • compare • greater than (>)

• •

9-1 Understand Hundreds 9-2 Models and 3-Digit Numbers 9-3 Name Place Values 9-4 Read and Write 3-Digit Numbers 9-5 Different Ways to Name the Same Number 9-6 Place-Value Patterns with Numbers 9-7 Skip Count by 5s, 10s, and 100s to 1,000 9-8 Compare Numbers Using Place Value 3-ACT MATH: Makes Cents 9-9 Compare Numbers on the Number Line 9-10 Math Practices and Problem Solving: Look For and Use Structure

• less than (<) • equal to (=)

• decrease • increase

Standard 2.NBT.3 Read and write numbers to 1,000 using base-ten numerals, number names, and expanded form.

Standard 2.NBT.4 Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons. Assessment Options: Topic 9 Assessment – Numbers to 1,000 (print or online) (pp. 577-580) Topic 9 Performance Assessment – Numbers to 1,000 (pp. 581-582) Team Created Assessment

Topic 9 Manipulatives: •

Place-value blocks

Assessment Tasks – Topic 9 USBE 2 nd Grade Standards Assessments

Procedural Check

Application Task

2.NBT.1

Complete the chart.

Hundreds

Tens

Ones

Brian used to model 462. Show Brian’s drawing. What would Brian have to do to show 472? Use your drawing to justify your answer.

153 207 481 960

(DOK 3)

(DOK 1)

2.NBT.2

Fill in the missing numbers. 15, 20, _____ , 30, 35, _____ 30, ____ , 50, 60, 70, _____, 80 220, 230, _____ , 250 600, ______ , 800, 900, ______

James emptied his piggy bank and then counted his coins. Use skip counting to find out the total amount of money James had saved. Draw a picture to represent the money. 50 pennies

14 nickels 12 dimes (DOK 3)

(DOK 1)