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In this lesson, we will learn how to use mental math with strategies to multiply numbers.
Q1:
Evaluate 5 0 × 1 2 3 × 2 using the commutative and the associative properties.
Q2:
Use real number properties to evaluate 7 5 ⋅ ( 9 ⋅ 8 ) mentally.
Q3:
Calculate 2 8 × 4 × 6 .
Q4:
Use the properties of real numbers to evaluate 4 ⋅ 1 8 ⋅ 5 0 mentally.
Q5:
Evaluate 8 7 × 2 + 8 7 × 9 8 using the distributive property.
Q6:
Using the distributive property, solve 3 × 7 5 mentally.
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