Subtraction 2
Different ways to view subtraction
12:32
khanacademy- Length: 12:32
- Views: 136622
- Tags: subtraction difference take away CC_1_OA_6 CC_2_OA_1
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Subtraction 3: Introduction to Borrowing or Regrouping
Introduction to borrowing and regrouping
18:26
- khanacademy
- Length: 18:26
- Views: 198222
- Tags: subtraction borrowing regrouping CC_1_OA_6 CC_2_NBT_5
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Alternate mental subtraction method
How I subtract in my head
5:10
- khanacademy
- Length: 5:10
- Views: 100727
- Tags: mental subtraction CC_1_OA_6 CC_2_OA_2
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Basic Subtraction
Introduction to subtraction
8:32
- khanacademy
- Length: 8:32
- Views: 196133
- Tags: math subtraction CC_1_OA_5 CC_1_OA_4 CC_1_OA_6
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Addition 2
Adding 2-digit numbers
12:26
- khanacademy
- Length: 12:26
- Views: 279491
- 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
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Example from classroom: Successful peer tutoring sessions (edited)
5:28
- khanacademyschools
- Length: 5:28
- Views: 649
- 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
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Example from classroom: Identifying needs in struggling students
3:27
- khanacademyschools
- Length: 3:27
- 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
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1-on-1 coaching
8:48
- khanacademyschools
- Length: 8:48
- Views: 533
- 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
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