2-min Warm-up — Coin values from memory!
Quarter = ¢
Dime = ¢
Nickel = ¢
Penny = ¢
Remember Week 18's strategy: start with the biggest coins, then count on.
$.
$.
$.
$.
Estimate First! Before counting exactly, estimate: is each pile MORE or LESS than $1.00? Circle your estimate, then count exactly.
4 quarters and 3 pennies
Estimate: more / less than $1.00
Exact: $ .
3 dimes, 2 nickels, 4 pennies
Estimate: more / less than $1.00
Exact: $ .
Read carefully. Think about what is happening with the money.
Ana has 3 quarters. A sticker costs 60¢. Does she have enough? How much will be left over?
My thinking:
Answer:
Two ways to make 30¢: Theo uses 3 dimes. Show a DIFFERENT way using at least one nickel.
My thinking:
Answer:
Challenge — Show two different ways to make exactly 47¢.
Q = quarter, D = dime, N = nickel, P = penny. Which way uses the FEWEST coins?
Way 1
Number of coins:
Way 2
Number of coins: