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Patterns in Zeros: Base-10 Mental Math Homework
Worksheet · Grade 4 · English
Patterns in Zeros: Base-10 Mental Math Homework
Worksheet
Grade 4
English
Patterns in Zeros: Base-10 Mental Math Homework
Name: Date: #: Unit 2 Homework
Section 1: Patterns in Zeros / Base-10 Mental Math
Directions: Use mental math and place-value patterns to solve each multiplication problem. Look for the basic multiplication fact first, then count and annex the zeros.
3 × 7 =
3 × 70 =
30 × 70 =
3 × 700 =
TIP
5 × 4 =
5 × 40 =
50 × 40 =
5 × 400 =
7 × 6 =
7 × 60 =
70 × 60 =
7 × 600 =
8 × 3 =
8 × 30 =
80 × 30 =
8 × 300 =
6 × 9 =
6 × 90 =
60 × 90 =
6 × 900 =
9 × 7 =
9 × 70 =
90 × 70 =
9 × 700 =
4 × 8 =
4 × 80 =
40 × 80 =
4 × 800 =
Mixed Practice
60 × 30 =
80 × 50 =
40 × 70 =
70 × 50 =
90 × 20 =
30 × 80 =