# McGraw Hill Math Grade 4 Chapter 3 Lesson 10 Answer Key Multiplication and Division Patterns

Practice the questions of McGraw Hill Math Grade 4 Answer Key PDF Chapter 3 Lesson 10 Multiplication and Division Patterns to secure good marks & knowledge in the exams.

## McGraw-Hill Math Grade 4 Answer Key Chapter 3 Lesson 10 Multiplication and Division Patterns

Multiply or Divide
Use the rule to fill in the chart.
Question 1.

Explanation:
y = 3
=> y Ã— 9 = 3 Ã— 9 = 27.
y = 4
=> y Ã— 9 = 4 Ã— 9 = 36.
y = 5
=> y Ã— 9 = 5 Ã— 9 = 45.

Question 2.

Explanation:
c = 5
=> c Ã—12 = 5 Ã— 12 = 60.
c = 6
=> c Ã—12 = 6 Ã— 12 = 72.
c = 7
=> c Ã—12 = 7 Ã— 12 = 84.

Question 3.

Explanation:
x = 50
=> x Ã· 5 = 50 Ã· 5 = 10.
x = 40
=> x Ã· 5 = 40 Ã· 5 = 8.
x = 30
=> x Ã· 5 = 30 Ã· 5 = 6.

Identify the rule that explains the chart.
Question 4.

Division rule is used in the chart.

Explanation:
x = 120.
=> xÂ  Ã·Â  ?? = 12
=> 120 Ã· ?? = 12
=> ?? = 120 Ã· 12
=> ?? = 10.
x = 100.
=> xÂ  Ã·Â  ?? = 10
=> 100 Ã· ?? = 10
=> ?? = 100 Ã· 10
=> ?? = 10.
x = 80.
=> xÂ  Ã·Â  ?? = 8
=> 80 Ã· ?? = 8
=> ?? = 80 Ã· 8
=> ?? = 10.

Question 5.

Division rule is used in the chart.

Explanation:
y = 120.
=> yÂ  Ã·Â  ?? = 11
=> 77 Ã· ?? = 11
=> ?? = 77 Ã· 11
=> ?? = 7.
y = 56.
=> yÂ  Ã·Â  ?? = 8
=> 56 Ã· ?? = 8
=> ?? = 56 Ã· 8
=> ?? = 7.
y = 42.
=> yÂ  Ã·Â  ?? = 6
=> 42 Ã· ?? = 6
=> ?? = 42 Ã· 6
=> ?? = 7.

Question 6.

Multiplication rule is used in the chart.

Explanation:
c = 3
=> c Ã— ?? = 6
=> 3 Ã— ?? = 6
=> ?? = 6 Ã· 3
=> ?? = 2.
c = 6
=> c Ã— ?? = 12
=> 6 Ã— ?? = 12
=> ?? = 12 Ã· 6
=> ?? = 2.
c = 9
=> c Ã— ?? = 18
=> 9 Ã— ?? = 18
=> ?? = 18 Ã· 9
=> ?? = 2.

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