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# Number & Operations in Base Ten

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• A one page illustrated chart of numbers 1-10, with the word for each number and buttons to indicate the value of each number.

• Use this review for students to quickly find 10 more and 10 less of a two digit number. Asks for students to explain their thought process. Use with grades 1-2. CC: Math: 1.NBT.C.6

• This 3 page lesson is suitable for guided or independent practice for solving word problems that add/subtract up to 20. There are three questions per page with room for students to draw a picture. CC: Math: 1.0.A.A.1

• Four cards to a page; analog clock faces. Common Core Math: Measurement & Data 1.MD.3

• Interactive flipchart activity for Prek-1st. Counting and addition skills. Thanksgiving theme with pumpkin pie graphics. Common Core Math: K.CC.B.5

• A booklet of Montessori Golden Bead Blocks tens place value; count, add.
• Two advanced place value worksheets and one expanded notation with answers. (created with abctools®)

Common Core: 1.NBT.1, 2.NBT.2
• A game for 2-4 players. Lay cards on a mat in ones, tens, hundreds and thousands places. Compare rows of cards and award a point to the player with the highest number in each row. Includes play mat, cards, score cards, instructions, center sign, and a worksheet for an alternate 2-player activity. CC: Math: 1.NBT.B.3, 2.NBT.A.4, 3.NBT.A.1, 4.NBT.A.2

• Collect pairs by matching digital to analog clocks showing the same time in this fun card game, played like 'Go Fish.' CC: Math: 1.MD.B.3, 2.MD.C.7

• using expanded notation Common Core: 1.NBT.1, 2.NBT.2
• using expanded notation Common Core: 1.NBT.1, 2.NBT.2
• Use this form to record people's favorite books. Ten titles are suggested and blank spaces are also included. Good tallying practice.
• Use this form to record people's favorite Christmas carols. Ten names are suggested and blank spaces are also included. Good tallying practice.
• Use this form to record people's favorite insects. Ten types are suggested and blank spaces are also included. Good tallying practice.
• 3 tens = 30; 1 ten + 3 tens = X tens; 2 worksheets. Common Core: 1.NBT.1, 2.NBT.2
• 4 pages: 3 tens =; 4 ___ = 40, etc. This set is a good introduction to place value. Common Core: 1.NBT.1, 2.NBT.2