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CC_1_OA_6

Subtraction 2

Click To Watch	Different ways to view subtraction   Uploaded: November 30, 1999 at 12:00 am Author: khanacademy   Length: 12:32 Rating: 4.883929 Views: 139080   Tags: subtraction  difference  take  away  CC_1_OA_6  CC_2_OA_1

Alternate mental subtraction method

Click To Watch	How I subtract in my head   Uploaded: November 30, 1999 at 12:00 am Author: khanacademy   Length: 05:10 Rating: 4.8828125 Views: 102276   Tags: mental  subtraction  CC_1_OA_6  CC_2_OA_2

Subtraction 3: Introduction to Borrowing or Regrouping

Click To Watch	Introduction to borrowing and regrouping   Uploaded: November 30, 1999 at 12:00 am Author: khanacademy   Length: 18:26 Rating: 4.8080807 Views: 200913   Tags: subtraction  borrowing  regrouping  CC_1_OA_6  CC_2_NBT_5

Basic Addition

Click To Watch	Introduction to addition. Multiple visual ways to represent addition.   Uploaded: November 30, 1999 at 12:00 am Author: khanacademy   Length: 07:42 Rating: 4.885924 Views: 1023973   Tags: Math  Addition  Khan  Academy  CC_1_OA_1  CC_1_OA_2  CC_1_OA_3  CC_1_OA_6

Basic Subtraction

Click To Watch	Introduction to subtraction   Uploaded: November 30, 1999 at 12:00 am Author: khanacademy   Length: 08:32 Rating: 4.846914 Views: 199094   Tags: math  subtraction  CC_1_OA_5  CC_1_OA_4  CC_1_OA_6

Level 2 Addition

Click To Watch	Adding a 2 digit number to a 1 digit number. Introduction to carrying.   Uploaded: November 30, 1999 at 12:00 am Author: khanacademy   Length: 09:48 Rating: 4.8769717 Views: 176334   Tags: Math  addition  carrying  khan  academy  CC_1_OA_6

Addition 2

Click To Watch	Adding 2-digit numbers   Uploaded: November 30, 1999 at 12:00 am Author: khanacademy   Length: 12:26 Rating: 4.841828 Views: 284094   Tags: arithmetic  addition  2-digit  CC_1_NBT_2  cc_1_nbt_2_b  cc_1_nbt_2_c  CC_1_NBT_3  CC_1_NBT_5  CC_1_OA_6

Example from classroom: Successful peer tutoring sessions (edited)

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Array   Uploaded: November 30, 1999 at 12:00 am Author: KhanAcademySchools   Length: 05:28 Rating: 5.0 Views: 700   Tags: cc_1_nbt_2_a  cc_1_nbt_2_b  CC_1_OA_5  CC_1_OA_3  CC_1_OA_4  CC_1_OA_6  CC_2_MD_6  CC_2_NBT_5  CC_2_NBT_9  CC_2_OA_1  CC_3_G_1  CC_3_G_2  CC_3_MD_2  CC_3_MD_5  CC_3_MD_7  CC_3_MD_8  CC_3_NBT_1  CC_3_NBT_2  CC_3_NF_2  CC_3_NF_3  cc_3_nf_3_a  cc_3_nf_3_b  cc_3_nf_3_c  cc_3_nf_3_d  CC_3_OA_2  CC_3_OA_5  CC_3_OA_6  CC_3_OA_7  CC_3_OA_8  CC_3_OA_9  CC_4_G_1  CC_4_G_2  CC_4_MD_1  CC_4_MD_2  CC_4_MD_3  CC_4_MD_5  cc_4_md_5_b  CC_4_NBT_3  CC_4_NBT_4  CC_4_NBT_5  CC_4_NBT_6  cc_4_nf_3_a  cc_4_nf_3_b

Example from classroom: Identifying needs in struggling students

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Array   Uploaded: November 30, 1999 at 12:00 am Author: KhanAcademySchools   Length: 03:27 Rating: N/A Views: 123   Tags: CC_1_NBT_2  cc_1_nbt_2_c  CC_1_NBT_3  CC_1_OA_1  CC_1_OA_3  CC_1_OA_5  CC_1_OA_6  CC_2_MD_6  CC_2_NBT_6  CC_2_OA_1  CC_3_G_2  CC_3_MD_1  CC_3_MD_5  CC_3_MD_7  CC_3_MD_8  CC_3_NBT_1  CC_3_NBT_2  CC_3_NF_1  CC_3_NF_3  cc_3_nf_3_a  cc_3_nf_3_b  cc_3_nf_3_d  CC_3_OA_2  CC_3_OA_5  CC_3_OA_6  CC_3_OA_7  CC_3_OA_8  CC_4_G_1  CC_4_MD_1  CC_4_MD_2  CC_4_MD_3  CC_4_MD_5  CC_4_NBT_3  CC_4_NBT_5  CC_4_NBT_6  cc_4_nf_3_a

1-on-1 coaching

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Array   Uploaded: November 30, 1999 at 12:00 am Author: KhanAcademySchools   Length: 08:48 Rating: 5.0 Views: 562   Tags: cc_1_nbt_2_b  CC_1_OA_2  CC_1_OA_3  CC_1_OA_6  CC_2_NBT_1  CC_2_OA_1  CC_2_OA_2  CC_3_G_2  CC_3_MD_2  cc_3_md_5_b  cc_3_md_7b  CC_3_NBT_1  CC_3_NBT_3  CC_3_NF_3  cc_3_nf_3_a  cc_3_nf_3_b  cc_3_nf_3_c  CC_3_OA_1  CC_3_OA_3  CC_3_OA_5  CC_3_OA_7  CC_3_OA_8  CC_4_G_1  CC_4_MD_1  CC_4_MD_2  CC_4_MD_3  cc_4_md_5_a  CC_4_NBT_3  CC_4_NBT_5  CC_4_NBT_6  CC_4_NF_1  cc_4_nf_3_a