Teacher Guide
Week 19
Money: Adding & Change — Teacher Guide
Monday: Adding Money Amounts
1
Warm-up coin facts
1.
50¢, 30¢, 20¢, 35¢
2
Adding Prices (guided)
1.
Read together
3
Add the Prices
1.
55¢, 55¢, 60¢, 65¢
4
Number Talk
1.
B is bigger — same first addend, 35 > 25
2.
Yes, about $1 — 49 is almost 50 and 51 is just over 50
5
Word Problem
1.
35 + 25 = 60¢
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Tuesday: Estimating and Adding Money
1
Warm-up make $1
1.
25¢, 50¢, 10¢, 75¢
2
Estimate First
1.
Est 60, actual 59 / Est 80, actual 79 / Est 60, actual 62 / Est 80, actual 80
3
Column Adding
1.
59, 79, 62, 80
4
Shopping
1.
75¢, 80¢
5
Word Problem
1.
45+25=70¢ — yes, 80¢ is enough (10¢ left)
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Wednesday: Making Change
1
Warm-up next ten
1.
3, 8, 5, 9
2
Count Up (guided)
1.
Model counting up on a number line
3
Make Change
1.
10¢, 10¢, 20¢, 45¢
4
Two Ways
1.
45→60: change 15¢ both ways
2.
25→50: change 25¢ both ways
5
Create Own
1.
Accept any price <50¢ with correct change from 50¢
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Thursday: Store Transactions
1
Warm-up change from 25¢
1.
5¢, 10¢, 15¢, 20¢
2
Word Problems
1.
Spends 75¢, change 25¢ from $1
2.
75¢ ≥ 55¢ yes; change 20¢
3.
Snacks 60¢, paid 75¢ — yes, enough (15¢ left)
3
Two-Step
1.
Step 1: 90−25=65¢; Step 2: 65−30=35¢ left
4
Number Talk
1.
Kim — she paid more for the same price
2.
Yes — 45 is less than 50, and 50+50=100, so 45+45 < $1
5
Create Own
1.
Accept student-created transaction problems
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Friday: Review & Self-Check
1
Warm-up
1.
$1.00, $1.00, 80¢, 60¢
2
Estimate First
1.
Est 70, actual 71 / Est 70, actual 71 / Est 80, actual 73 / Est 60, actual 65
3
Add & Change Review
1.
80¢; 15¢; 75¢; 55¢
4
Word Problems
1.
75−55=20¢ change
2.
Yes — 2 pencils = 40¢, 10¢ left
5
Self-Check
1.
Accept student self-assessment and reflection