Practice the questions given in the worksheet on parentheses. Here we need to group the numbers by using parentheses and then add.

**1.** In the following number sentences first make 4s by using parentheses and then add.

(i) 2 + 2 + 1 = 5

(ii) 1 + 2 + 2 = 5

(iii) 3 + 1 + 6 = 10

**2.** In the following number sentences first make 6s by using parentheses and then add.

(i) 4 + 1 + 1 + 1 = 7

(ii) 8 + 2 + 4 = 14

(iii) 3 + 4 + 2 = 9

(iv) 3 + 3 + 2 = 8

(v) 3 + 2 + 2 + 2 = 9

**3.** Find the answers to make each number sentence true.

(i) (4 - 2) + 2 = ____

(ii) ____ + (3 + 4) = 8

(iii) (10 - 3) - 1 = ____

(iv) (2 + 4) + (2 + 1) = ____

**4.** Use brackets to make each number
sentence true.

(i) 10 - 6 - 2 = 2

(ii) 10 - 6 + 2 = 6

(iii) 9 - 5 - 1 = 3

(iv) 9 - 5 + 1 = 5

(v) 7 - 4 - 3 = 0

(vi) 7 - 4 + 3 = 6

Answers for the worksheet on parentheses are given below to check the exact answers of the above questions.

**Answers:**

**1.** (i) (2 + 2) + 1 = 5

(ii) 1 + (2 + 2) = 5

(iii) (3 + 1) + 6 = 10

**2.** (i) (4 + 1 + 1) + 1 = 7

(ii) 8 + (2 + 4) = 14

(iii) 3 + (4 + 2) = 9

(iv) (3 + 3) + 2 = 8

(v) 3 + (2 + 2 + 2) = 9

**3.** (i) 4

(ii) 1

(iii) 6

(iv) 9

**4.** (i) (10 - 6) - 2 = 2

(ii) (10 - 6) + 2 = 6

(iii) (9 - 5) - 1 = 3

(iv) (9 - 5) + 1 = 5

(v) (7 - 4) - 3 = 0

(vi) (7 - 4) + 3 = 6

**2nd Grade Math Practice**

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