Parent guide · Grade 1 Math · Unit 9
Lesson 9.3 Word Problem Review
Written for the parent. Read the Say this lines aloud as they are, or in your own words. Answers for you are marked Listen for.
At a glance
- Time
- 5 sessions of 20–25 minutes
- Goal
- Review story problems of every kind.
- You need
- Craft sticks and rubber bands
- Pencil and crayons
- Worksheet A · Worksheet B · the lesson page
Steps
Do this: Ask these out loud. Your child answers out loud; no paper needed.
- Ask: “9 + 8” Listen for: 17
- Ask: “3 + 4” Listen for: 7
- Ask: “8 + 1” Listen for: 9
- Ask: “1 + 2” Listen for: 3
- Ask: “1 + 9” Listen for: 10
Say this: “Read, picture, write, solve, check.”
Say this: “Bar models show parts and wholes.”
Show: The oak is 15 feet tall. The apple tree is 11 feet tall. How much taller is the oak?
Say this: “Unknown: the difference.”
Say this: “Bar model: a long bar of 15 and a short bar of 11; the difference is unknown.”
Say this: “Equation: 15 − 11 = ?”
Say this: “15 − 11 = 4”
Say this: “Answer: The oak is 4 feet taller.”
Answer: 4 feet. The oak is 4 feet taller.
Show: Ruth gleaned 19 bundles of barley one day and 9 the next. How many bundles did she glean?
Say this: “Unknown: the total.”
Say this: “Bar model: two parts, 19 and 9; the whole is unknown.”
Say this: “Equation: 19 + 9 = ?”
Say this: “19 + 9 = 28”
Say this: “Answer: Ruth gleaned 28 bundles.”
Answer: 28 bundles. Ruth gleaned 28 bundles.
Do this: Your child does these with you. Let them try first; help only after a real try.
Ask: The orchard had 12 apples on a tree. The children picked 6. How many apples are left on the tree?
Listen for: 6 apples. 6 apples are left.
If stuck: Unknown: how many are left.
Ask: The baker made 11 rolls and 4 loaves. How many pieces of bread did she make?
Listen for: 15 pieces. She made 15 pieces of bread.
If stuck: Unknown: the total.
Ask: The orchard had 7 apples on a tree. The children picked 2. How many apples are left on the tree?
Listen for: 5 apples. 5 apples are left.
If stuck: Unknown: how many are left.
7 more practice items on the lesson page, and on Worksheet A and Worksheet B.
- Not reading the question to the end.
Sit in a circle (or go room to room). Answer a flashcard fact before the next player to move on. Go around the house!
Say this: “Tell me what you learned today. Show me with your hands or the counters if you like.”
Listen for: Review story problems of every kind.
Mixed fact flashcards to 20, then count by tens from any number.
Spread over the week
5 sessions of 20–25 minutes. Stop while it is still going well.
- Session 1. Warm-up, then teach the new idea (steps 1 and 2).
- Session 2. Warm-up again, then show how with the examples.
- Session 3. Practice together, then play the game.
- Session 4. More practice on the worksheet, and the daily habit.
- Session 5. Quick check: narration and a few practice items. Move on when it is mostly right.