49 15 96 + 1 + 5 + 6 38 28 95 + 2 + 2 + 5 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. Add within 100 - Composing a 10 22 71 86 + 8 + 9 + 4 26 53 89 + 4 + 7 + 1 12 74 97 + 8 + 6 + 3 11 51 96
49 + 1 15 + 5 96 + 6 38 + 2 28 + 2 95 + 5 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. Add within 100 - Composing a 10 22 + 8 71 + 9 86 + 4 26 + 4 53 + 7 89 + 1 12 + 8 74 + 6 97 + 3 11 51 96
add_within_100.docx