SALTA 2nd grade

2.NBT.5 2.NBT.6

Strand: Numbers and Operations in Base Ten Second grade students will use place value understanding and properties of operations to add and subtract. Standard 2.NBT.5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

Topic 4: Fluently Add Within 100

Topic 4:

Pick a Project: •

• regroup • partial sum • mental math • compatible numbers

Biking Trails

South Florida Reefs

• • •

Collections

A Visit to the Kennedy Space Center

Standard 2.NBT.6 Add up to four two-digit numbers using strategies based on place value and properties of operations.

No 3-Act Math Task for this Topic 4-1 Add 2-Digit Numbers Using Models 4-2 Continue to Add 2-Digit Numbers Using Models 4-3 Add with Partial Sums 4-4 Add Using Mental Math and Partial Sums 4-5 Break Apart Numbers and Add Using Mental Math 4-6 Add More Than Two 2-Digit Numbers 4-7 Practice Adding Using Strategies

4-8 Solve One-Step and Two-Step Problems 4-9 Math Practices and Problem Solving: Model With Math

Topic 4 Manipulatives: •

Place-value blocks

Assessment Options: Topic 4 Assessment – Fluently Add Within 100 (print or online) Topic 4 Performance Assessment - Fluently Add Within 100 Team Created Assessment

District Wide Standards-Based Assessment #1 (Window: October 22 - November 5)

Assessment Tasks – Topic 4 USBE 2 nd Grade Standards Assessments

Procedural Check

Application Task

6 + 4 = ______ so, _____ - 4 = 6

Jayce brought 18 cupcakes to school for her birthday. She had 12 yellow cupcakes. The rest were chocolate. Draw a picture and write an equation to find out the number of chocolate cupcakes. (DOK 2) Summer had 12 questions on her math test. There were 5 questions left to answer. How many questions had Summer answered? Use ten-frames to justify your answer. (DOK 3)

2.NBT.5

3 + _____ = 10 so, 10 – 3 = _______

(DOK 2)