2-min Fluency Warm-up — Which number is bigger?
14 __ 19
Write > < or =
27 __ 23
Write > < or =
8 __ 31
Write > < or =
45 __ 45
Write > < or =
Look at the tens first. If tens are the same, look at the ones.
34 43
Why:
56 52
Why:
71 17
Why:
89 98
Why:
The alligator always eats the bigger number! Draw > or < between each pair.
62 🐊 26
62 26
48 🐊 51
48 51
33 🐊 33
33 33
90 🐊 9
90 9
Number Talk — Explain WITHOUT writing the answer.
Is 57 bigger than 52?
My thinking:
Is 4 tens and 8 ones bigger than 5 tens?
My thinking:
Challenge — Show two different ways to prove which is bigger.
Try: (1) look at place value, (2) use a number line, or (3) count on.
68 vs 72
Way 1 (place value):
Way 2 (number line):