standard_description: Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.
problem_activity: Solve.
a.   7 × 10 = _______
b.   100 × 7 = _______
c.   _______ = 7 × 1,000
d.   10 × 3 = _______
e.   1,000 × 30 = _______
f.   _______ = 10 × 30
g.   100 × 14 = _______
h.   _______ = 10 × 25
i.   54 × 1,000 = _______


aligns: no