MATH
Unit 7: Adding larger numbers
Unit 9: Subtracting Larger Numbers
Expectations & Key Concepts Students will be assessed on:
 Use and apply place value concepts to make connections among representations of numbers to the thousands using baseten pieces, number lines, expanded form, and standard form.
 Represent addition & subtraction problems using baseten pieces, number lines, and number sentences.
 Add & Subtract twodigit and threedigit numbers using mental math strategies (e.g., composing and decomposing numbers, counting on) using the 200 Chart, baseten pieces, and number lines.
 Add & Subtract twodigit and threedigit numbers using paperandpencil methods (e.g., expanded form, allpartials, compact).
 Estimate the number of objects in a group using benchmarks.
 Estimate sums & differences using mental math strategies (e.g., rounding using benchmarks, using friendly numbers, composing and decomposing numbers, counting on).
 Demonstrate fluency with the addition facts in Groups +8, +9, +10, +11, +12
SCROLL through to the bottom to see lessons, games, worksheet generators, and mobile friendly links.
The majority of Links work best on a computer. Some of the sites are mobile friendly.
The majority of Links work best on a computer. Some of the sites are mobile friendly.

Addition PracticeSubtractionMath Fact PracticeStudents will be having Timed Addition Tests. There will be 24 random Addition problems in
1 1/2 minutes. Lost Triangle Flashcards can be found in the PRINTABLE tab above. 
Amazing site for fostering a love of math. This site has mobile friendly games that helps students explore & use math. Have fun!!!