Add/subt multiples of 10, near multiples
Solve word problems by counting on or back in 10s or 100s from 2-digit and 3-digit numbers.
Add and subtract near multiples of 10 from 2-digit and 3-digit numbers.
Create word problems for addition and subtraction of multiples of 10s and 100s and near multiples of 10.
3-digit expanded and compact addition
Know total of any pair of single-digit numbers (pre-requisite skills)
Round 3-digit numbers to nearest 10 and 100 (pre-requisite skills)
Add 4 single-digit numbers (pre-requisite skills)
Add multiples of 10 (pre-requisite skills)
Suggested Day 5
Subtract single-digit numbers (simmering skills)