Math: MultipleStep Problem Solving using Addition and Subtraction'

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Math Multiple-Step Problem Solving using
Addition and Subtraction.

• Math Grade 2

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Teacher page

• Math
• Grade 2
• MA6-The learner will use strategies to determine
  whether to add or subtract to solve problems.
• The students should be familiar with clue words
  used to solve multiple-step problems. Go over
  clue words for addition and subtraction on slides
  one and two before lesson.

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Problem-solving clue words.

• Addition-
• 1.How many in all?
• 2._______ joined-How many are there now?
• 3. How many all together?
• 4. Find the sum.

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Problem solving clue words

• Subtraction
• 1. Take away
• 2. How many more?
• 3. How many are left?
• 4. Minus
• 5. Find the difference
• 6. Less

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There are 5 birds resting on a wire.

• _______________________________________

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9 more birds come. How many are there now?

• ______________________________________

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6 birds flew awayWrite the correct problem to
solve. __ ( or -)______
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14-6

• _______________________________________
• How many are left? _________________

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5 more birds fly away.Write a number sentence to
answer this problem. -are you going to add
or subtract?

• __________________________________

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Did you know to subtract?

• The problem is 8-53.
• The multiple-steps you did to answer this problem
  Step 1. 5914
• Step 2.14-68
• Step 3. 8-53

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Answer these problems on your paper.

• 1.Tom bought 15 stickers. He used 7.
• ________________
• He gave away 5 more. How many stickers
  does Tom have now?_________________
• 2.On the floor, Sue found 10 pennies. She
  spent
• five. ________________pennnies
• She lost 3 more. How many pennies does she
• have now?

12
Write a story problem about balloons. Include
addition and subtraction in your story. Ask a
friend to solve your problem.