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

Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 1

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.

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

Guided Practice

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

Question 1.
How many points did Benita score in all?
Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 3
Answer:

Question 2.
How many points did Billy score altogether?
Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 11
__ + __ + __ = __ 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.
Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 12
Answer:

Question 3.
How many flowers did Tomaz plant in all?
Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 12
__ + __ + __ = __ flowers
Answer:

Question 4.
How many flowers did Amy plant altogether?
Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 13
__ + __ + ___ = __ 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.
Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 14
Answer:

Question 6.
Which number sentence tells how many shells Kathy had collected after Weeks 1 and 2?
Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 15
Answer:

Question 7.
Journal Explain what addition strategy you used to check your answer to exercise 5.
Envision Math 2nd Grade Answer Key Topic 2.8 Problem Solving 17
Answer:

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