CCSS.Math.Content.K.NBT.A.1 - Compose and decompose numbers from 11 to 19 into ten ones and some further ones, e.g., by using objects or drawings, and record each composition or decomposition by a drawing or equation (such as 18 = 10 + 8); understand that these numbers are composed of ten ones and one, two, three, four, five, six, seven, eight, or nine ones.

 
Authors: National Governors Association Center for Best Practices, Council of Chief State School Officers

Title: CCSS.Math.Content.K.NBT.A.1 Compose And Decompose Numbers From 11 To 19... Number and Operations in Base Ten - Kindergarten Mathematics Common Core State Standards

Publisher: National Governors Association Center for Best Practices, Council of Chief State School Officers, Washington D.C.

Copyright Date: 2010

(Page last edited 10/08/2017)

1. Arrow Cards - Pick your tens number card, then pick a ones card, then guess the number. Click on the red button to see if you are correct.
2. Catch Ten - Help BT Bear collect sets of tens by adding to the blocks in his paws.
3. Clip Art for Base Ten - Use these visuals on your IWB; just copy and paste them anywhere.
4. Dinosaur Place Value - Online game: Click on the eggs that represent the value. 10's and ones.
5. Space Jumps - Listen carefully to the directions and jump the spaceman to the rock by clicking on the correct answer to make 10, then click on the answer that completes the problem to go to the spaceship.
6. Unit Plan; making groups; compose and decompose. - Unit Plan; In this unit, students make groups of 10 to 20 objects, connect number names to the groups, compose and decompose numbers, and use numerals to record the size of a group. Visual, auditory, and kinesthetic activities are included in each lesson.