# Place Value Part Whole Task Cards: Unitizing First Grade 1 & 2 BIG IDEAS

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Common Core Standards
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1.NBT.B2 & 1.NBT.C4;1.NBT.C5; 1.NBT.C6; 1.OA.D8; 2.NBT.A1
Get ready for second grade depth of understanding! First graders often take longer than we like to buy in to place value blocks. True understanding of place value is SO MUCH MORE than identifying how many tens and how many ones. Activities like this one will help first graders (or struggling second graders) advance to using place value strategies for addition and subtraction.

This supports the BIGGEST IDEAS in Grade 1: COMPOSING, DECOMPOSING & UNITIZING:
*3 Sets of 20 Vivid Task Cards (3 LEVELS)
*2 Teaching Templates and 1 Page of blank cards for students to create their own Addition and Subtraction Models! Missing Part (How many cookies in the oven?) and Missing Whole.
*Links to my matching "Place Value Bakery KAHOOT Games!

These cards move from simple number composition to unitizing! As we learn what a "ten unit" is in first grade, we need LOTS and LOTS of experiences working with tens and ones. We need to handle the blocks, and play with Tiny Ten Frames at the same time (since most of us really don't "buy in" to those blocks anyway).

We need to think about adding a ten and taking away a ten right away! If we can do 9 ducks take away 3 ducks, then we can take away 3 tens from 9 tens.

To have your students BUILD these numbers out of matching cookie ten frames, check out this PLACE VALUE BAKERY Number Sense & Unitizing Pack: Cookies Tens & Ones
From Number Composition to Unitizing
Addition and Subtraction Sorts: Composing Numbers 12 Sorting Activities
Thank you for exploring math with me!
Math Viking

Please check out my store for products designed to develop deeper understanding! Follow me for notifications about awesome new products, offered at 50% OFF for the first 48 hours!

To emphasize PROBLEM SOLVING with actual thinking: Go Numberless!:
Grade 2 Standards Numberless Word Problems to Sort & Solve
Grade 1/Early 2 Numberless Word Problem Sort & Solve
Grade 3 Numberless Sort & Solve

Number Composition
Shake, Spill & Show: At the Bakery

THE BIG MOVE From Number Composition to Unitizing
Addition and Subtraction Sorts: Composing Numbers 12 Sorting Activities

For Emerging Place Value Understanding:
PLACE VALUE BAKERY Number Sense and Unitizing Packing: Cookies Tens and Ones
Part Whole Model PLACE VALUE BAKERY Task Cards First & Second Grade

Place Value Fun & Depth of Understanding for one of the BIGGEST standards we teach!
MYSTERY NUMBER Place Value Freebie!
MYSTERY NUMBER Scoot Task Cards for Place Value, Reasoning & Vocabulary

For DOUBLES FACT Fluency Assessments, Games, Interventions & Enrichment check out:
DOUBLES FACT PACK

For MATH OLYMPICS check out:
COMPLETE MATH OLYMPICS EVENT PACK: Games, Certificates, Posters & Google Doc
Math Olympics Kindergarten Race to 10 or 20 and Build a Tower
Math Olympics Shake & Spill
Math Olympics Version of Flexible Place Value Task Cards

For THIRD GRADE ROUNDING, check out:
ROUNDING MOUNTAIN Number Line Rounding Spin It, Show It, Round It Game

Total Pages
32 pages
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