Question 5
10 points
3 minutes
4 x n = 8,260
2,065 tangerines
Question 9 (A + B)
10 points
3 minutes
A: 23 habitats
B: I increased the quotient by 1 because another habitat is needed for the 6 extra monkeys.
Question 12
10 points
90 seconds
A, C
Question 16
20 points
1 minute
C, D
Question 20
30 points
3 minutes
4.5 times
Question 15
20 points
2 minutes
9.4 ounces
Question 18 (A + B)
50 points
4 minutes
A) 49/0.07 = 700 (20 points)
B) Marco moved the decimal point two places to the right in the divisor but only one place to the right in the dividend. (30 points)
Question 22 A
10 points
1 minute
Round it up!
Question 23
25 points
2 minutes
5 points per box!
300
576
560
2
372
Question 14
20 points
3 minutes
804 (10 points)
2,412 rounds to 2,400
2,400/3 = 800
This is close to my calculation, so my answer is reasonable. (10 points)
Question 22 B
10 points
1 minute
Ignore it!
Question 11
20 points
1 minute
right (10 points)
two places (10 points)
Question 17
30 points
3 minutes
$2.45
Question 22 C
10 points
1 minute
Form a fraction with it!
Question 3
40 points
3 minutes
(Hint: Think in fractions!)
3.6/0.04 and 360/4. These are equivalent fractions because 3.6/0.04 x 1 = 3.6/0.04 x 100/100 = 360/4.
Question 21
30 points
90 seconds
3.6 (10 points)
100 (10 points)
0.036 (10 points)
Question 13
20 points
2 minutes
5 points per box!
47.2
100
0.001
4,720
Question 4
40 points
2 minutes
Question 10
20 points
2 minutes
(No model needed.)
17 R1
Question 5
20 points
3 minutes
12
Question 8
20 points
3 minutes
15
Question 7
20 points
3 minutes
6.85
Question 10
60 points
5 minutes
B
E
A
F
C
D
Question 1
20 points
90 seconds
B, F
(10 points each.)
Question 2
30 points
2 minutes
52: C
5.2: B, D, F
0.52 = A, E
(5 points each.)