Grade 4
-
Strand 2
-
Strand 3
-
Strand 4
-
Strand 5
-
Strand 6
-
Strand 7
-
Strand 8
-
Strand 9
-
Strand 10
- 4.10.A
- 4.10.B
- 4.10.C
- 4.10.D
- 4.10.E
TEKS Math Standard: 4.4.F
use strategies and algorithms, including the standard algorithm, to divide up to a four-digit dividend by a one-digit divisor
How Many Ways: Divide to 5
Fill in the blanks so the division equals exactly 5, using each digit only once. Then change the 5 to a 6 and watch most of the solutions disappear.
Why Is Our Calendar So Weird!?
Why are there 12 months? Why don’t weeks fit into months evenly? Why don’t weeks fit into the year evenly? What’s going on with the calendar!