2-min Fluency Warm-up — How much more to make $1.00?
75¢ + ¢ = $1
50¢ + ¢ = $1
90¢ + ¢ = $1
25¢ + ¢ = $1
Estimate First! Round each price to the nearest ten. Estimate the total, then add exactly.
38¢ + 21¢
Round: 40¢ + 20¢
Estimate: ¢
Actual: ¢
47¢ + 32¢
Round: 50¢ + 30¢
Estimate: ¢
Actual: ¢
19¢ + 43¢
Round: 20¢ + 40¢
Estimate: ¢
Actual: ¢
52¢ + 28¢
Round: 50¢ + 30¢
Estimate: ¢
Actual: ¢
Line up the cents and add — just like column addition!
answer in ¢
answer in ¢
answer in ¢
answer in ¢
Store prices: apple 30¢ | juice 45¢ | cookie 25¢ | muffin 55¢
How much for an apple and a juice?
30¢ + 45¢ = ¢
How much for a cookie and a muffin?
25¢ + 55¢ = ¢
Read carefully. Think about what is happening.
Eli has 80¢. He wants to buy a juice (45¢) and a cookie (25¢). Estimate first: does he have enough? Then add exactly to check.
Estimate:
Exact total: ¢ Enough?