Unit
3
Study Guide 2/2 G04 ~ Mathematics
Estimated answer: ___________________ + ___________________ = ___________________ Calculation: 8.9
2 856 + 2 182
Estimated answer: ___________________ + ___________________ = ___________________ Calculation: 8.10
9.
Complete the following.
Question and answer
9.1
3 453 = (3 × ___________) + (4 × ___________) + (5 × ___________) + (3 × ___________)
9.3
4 123 = (1 000 × _________) + (100 × _________) + (10 × _________) + (1 × ________)
9.2 9.4
© Optimi
8 839 – 5 672
8 532 = (3 × ___________) + (8 × ___________) + (5 × ___________) + (2 × ___________)
1 075 = (1 000 × _________) + (100 × _________) + (10 × _________) + (1 × ________)
28