# Spectrum Math Grade 3 Chapter 10 Lesson 1 Answer Key Number Patterns

Students can use the Spectrum Math Grade 3 Answer Key Chapter 10 Lesson 10.1 Number Patterns as a quick guide to resolve any of their doubts.

## Spectrum Math Grade 3 Chapter 10 Lesson 10.1 Number Patterns Answers Key

A number pattern can be developed by addition or subtraction.
Complete this pattern by subtraction. Complete the pattern by using addition or subtraction.

Question 1.
2      4        6 Generate the pattern 2 4 6 by using the simple addition with the given numbers by adding 2 for the given series up to the number 12 which is as shown below. Question 2.
1      3        5
Generate the pattern 1 3 5 by using the basic addition with the given numbers by adding 2 for the given series up to the number 11 which is as shown below. Question 3.
20     18     16 Generate the pattern 20 18 16 by using the simple subtraction with the given numbers  by subtracting 2 in the given series which is as shown below. Question 4.
21      15     10 Generate the pattern 21 15 10 by using the simple subtraction with the given numbers by subtracting which is as shown below. Question 5.
13      12     11 Generate the pattern 13 1 2 11 by using the simple subtraction with the given numbers by subtracting 1  in the given series which is as shown below. Question 6.
5       10      15 Generate the pattern 5 10 15 by using the simple Addition with the given numbers by adding 5 for the given series  which is as shown below. Question 7.
3      6          9 Generate the pattern 3 6 9 by using the simple Addition with the given numbers by adding 3 for the given series which is as shown below. Question 8.
20     40      70 Generate the pattern 20 40 70 by using the simple Addition with the given numbers which is as shown below. Question 9.
16     13      10  10      9       8   