2-min Fluency Warm-up — Solve in your head.
25 + 25 =
10 + 5 + 1 =
50 − 25 =
10 + 10 + 5 =
Write the time shown on each clock.
:
:
:
Count the coins. Write the total.
Estimate First! Estimate each line in cm, then measure with your ruler.
Estimate: cm Measured: cm
Estimate: cm Measured: cm
Number Talk — Explain WITHOUT counting every coin.
Ben has 4 quarters. Ava has 9 dimes. Who has more money? How can you decide quickly, without counting cent by cent?
My thinking: