## Envision Math 2nd Grade Textbook Answer Key Topic 2.8 Problem Solving

**Problem Solving**

Draw a Picture and Write Draw a Picture and Write a Number Sentence

Question 1.

__ + __ = ___

Answer:

Question 2.

__ + __ = __

Answer:

Question 3.

__ + __ = __

Answer:

**Home Connection** Your child drew pictures and wrote number sentences to solve math story problems.

**Home Activity** Place up to 10 small items in 3 piles and ask your child how many there are in all. He or she should place the items on the mat on this page and write a number sentence on a separate sheet of paper

to solve the problem. Repeat with different numbers of items.

AF 1.3 Solve addition and subtraction problems by using data from simple charts, picture graphs, and number sentences. Also AF 1.2, MR 1.2, MR 2.1.

**Guided Practice**

Use the table above. Draw counters and write number sentences to solve.

Question 1.

How many points did Benita score in all?

Answer:

Question 2.

How many points did Billy score altogether?

__ + __ + __ = __ points

Answer:

Do you understand? Sam scored 12 points in all. Write a number sentence for Sam’s points.

__ + __ + __ = 12 points

**Independent Practice**

Tomaz and Amy planted flowers. The table shows how many flowers they planted. Draw counters and write number sentences to solve.

Answer:

Question 3.

How many flowers did Tomaz plant in all?

__ + __ + __ = __ flowers

Answer:

Question 4.

How many flowers did Amy plant altogether?

__ + __ + ___ = __ flowers

Answer:

**Problem Solving**

Solve the problems below.

Question 5.

Kathy and Julio collect shells. The table shows how many shells each collected. How many shells did Julio collect altogether? Draw counters and write number sentences to solve.

Answer:

Question 6.

Which number sentence tells how many shells Kathy had collected after Weeks 1 and 2?

Answer:

Question 7.

Journal Explain what addition strategy you used to check your answer to exercise 5.

Answer: