It's About
What is the Rounding Chant
we use in class?
If it's 5 or more, we raise the score (or "add one more"); if it's 4 or less, we let it rest.
1/3 + 1/3 =
2/3
12 x 11 =
132
126 ➗ 3 =
42
What is AREA?
(100 points = Formula)
Formula = L x W
Round 3,491 to the nearest THOUSANDS place.
5/8 - 2/8 =
3/8
432 x 3 =
1,296
4,202 ➗ 3 =
1,400 R2
Give me a PERIMETER formula.
P = 2L + 2W
P = L + W + L + W
P = 2 (L + W)
Round 84,326 to nearest THOUSAND place.
84,000
5/3 + 2/3 =
7/3
OR
2 wholes and 1/3
3,405 x 5 =
1,040 ➗ 3 =
346 R2
What is the PERIMETER of a square with a side of 5 meters?
20 meters
(5 + 5 + 5 + 5 = 20)
Round 128,497 to nearest TEN THOUSAND place.
130,000
7/6 - 4/6 - 1/6 =
2/6
32 x 41 =
1,312
1,001 ➗ 5 =
200 R1
What is the AREA of a garden with a length of 5 cm and a width twice its length?
50 centimeters
(width = 5 x 2 = 10cm)
(A = 5 x 10 = 50cm)
Round 87,535 to nearest HUNDRED THOUSAND place.
100,000
3/4 - 1/4 + 2/4 =
4/4 OR 1 whole
67 x 35 =
2,345
54,009 ➗ 9 =
6,001
What is the AREA of rectangle with a side of 2 meters and a PERIMETER or 16 meters?
12 square meters
(16 = 2 + ? + 2 + ?)
(? = 6)
(A = 6 x 2 = 12m2)