your demonstration, and they may be used to help students learn through inquiry by provid- ing teachers with easily adjustable visual tools. Students can test their ideas, explore the effects of chang- ing variables, and formulate theo- ries based on results.

Virtual manipulatives provide value in their accessiblity on interactive whiteboards, tablets, laptops, or Chromebooks at school and at home.

Virtual manipulatives are used on both the PARCC and Smarter Balanced Assessments. Students are asked to drag fractions to the correct locations on a number line or to draw a rectangle with a specif- ic area.

It is important that your students have experience demonstrating their understanding with these types of online tools so that during the assessment, lack of under- standing about how to use the tool doesn’t get in the way of them successfully showing their mathe- matical knowledge.

StarrMatica Tip: In StarrMat- ica’s library, teachers have access to hundreds of virtual manipula- tives for ELA, Math, Science, Social Studies, Art, and Music. Many Math manpulatives also include content guides--lesson plans for using that manipulative to meet specific Com- mon Core Standards.

Te following examples of digital content can be used to support specific grade level Common Core standards. Tis digital content will help you provide your students with opportunities to develop mathematical concepts, model their thinking, and participate in mean- ingful distributed practice.

Common Core Math Standard K.OA.A.3

Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decom- position by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).

Brilliant Bead- string Rekenrek - Help students vi- sualize a number decomposed in different ways and encourage them to find all of the ways a number can be decomposed.

Calculation Bal- ance - Tis ma- nipulative moves students from using objects to using numbers. Students could be challenged to find several ways to balance the scale for a given number.

Make A Number Review how a number can be created in many different ways. Students can separate blocks into two groups and record their de- compositions.

Butterfly Ten Frame - Practice and record num- ber combinations that equal ten.

Big Wig Sub Shop - Te game chal- lenges students to find all of the number sentenc- es that name the given number.

Common Core Math Standard 1.NBT.B.2(A.B.C)

Understand that the two digits of a two-digit number represent amounts of tens and ones.

Creating Groups of Ten - Students explore group- ing animals in different ways to discover that they are easier to count when there are ten in a group with some leſt over.

Counting Groups of Ten - Use this animation to teach or review how to count groups of ten and ones.

Gathering Animals in Tens - Tis activity allows students to practice creat- ing and count- ing groups of ten.

Aerial Gardening - Tis activity helps students visualize groups of ten. Students are challenged to count the number of seeds in the field before they disappear--which forces students to count by tens and ones.

Safari Units - Te game challeng- es students to place tens and ones on a scale to balance the weight of an animal.

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