Parent guide · Grade 2 Math · Unit 9
Lesson 9.2 Money and Time 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 coins, change and clocks.
- You need
- A few real coins
- A clock face
- 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: “5 + 5” Listen for: 10
- Ask: “2 + 2” Listen for: 4
- Ask: “5 + 9” Listen for: 14
- Ask: “8 + 3” Listen for: 11
- Ask: “9 + 5” Listen for: 14
Say this: “Count coins from the most valuable.”
Say this: “Count by fives around the clock.”
Show: A loaf costs 80¢. You pay with $1.00. How much change do you get?
Say this: “Subtract in cents: 100 − 80 = 20”
Say this: “Check: 80 + 20 = 100”
Say this: “Change: 20¢”
Answer: 20¢
Show: Father starts planting at 8:20. He works for 1 hour and 35 minutes. What time does he finish?
Say this: “Add the hours first: 8:20 plus 1 hour is 9:20.”
Say this: “Add the minutes: 20 + 35 = 55.”
Say this: “He finishes at 9:55.”
Answer: 9:55
Do this: Your child does these with you. Let them try first; help only after a real try.
Ask: How much money is shown?
Listen for: 47¢
If stuck: Start with the coin worth the most and count on: 25, 35, 40, 45, 46, 47.
Ask: How much money is shown?
Listen for: 31¢
If stuck: Start with the coin worth the most and count on: 10, 15, 20, 25, 30, 31.
Ask: How much money is shown?
Listen for: 92¢
If stuck: Start with the coin worth the most and count on: 25, 50, 75, 85, 90, 91, 92.
7 more practice items on the lesson page, and on Worksheet A and Worksheet B.
- Mixing up the clock hands.
Write ten problems on cards around the house. Your child runs to each card, solves it and brings it back. Time the round; try to beat it.
Say this: “Tell me what you learned today. Show me with your hands or the counters if you like.”
Listen for: Review coins, change and clocks.
Mixed fact drill daily. Count by 5s, 10s, 25s and 100s.
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.