Description

Author: Karelien Kriel

Number of pages: 5(Act) + 5(Memo)

With Thinking Tools

• Flow maps: add hundreds; add tens; add units
• Bridge maps: add hundreds, tens and units
• Problem 1: 486 + 535
• Problem 2: 618 + 297
• Challenge: Own addition sum
• Problem 3: 364 + 462
• Problem 4: 558 + 392
• Challenge: Own addition sum
• Problem 5: 516 + 159