1.4 Section D: Different Ways to Make a Number
Lessons 19-23. Represent two-digit numbers in different ways, using different amounts of tens and ones. For example, 52 = 50 + 2 = 40 + 12
Lessons 19-23. Represent two-digit numbers in different ways, using different amounts of tens and ones. For example, 52 = 50 + 2 = 40 + 12