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| ma_01.nbt.c.5 [2017/03/14 18:39] – created Admin | ma_01.nbt.c.5 [2024/09/18 20:37] (current) – external edit 127.0.0.1 |
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| ====== MA 01.NBT.C.4 ====== | ====== MA 01.NBT.C.5 ====== |
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| ====Standard:==== | ====Standard:==== |
| ====== MA 01.NBT.B.3 ====== | 01.NBT.C.5 Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used. |
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| ====Standard:==== | |
| MA 01.NBT.C.4 Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. | |
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| ====Standard Unpacked:==== | ====Standard Unpacked:==== |
| Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten. | Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used. |
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| ==== Lesson Plans: ==== | ==== Lesson Plans: ==== |
