Grade 4 math louisianna 09 answers

Mathematics
Session 1: No Calculator

Session 3: Calculator

1.
2.
3.
4.
5.
6.

15.

D
C
A
B
D
C

Session 2: Calculator
07.
08.
09.
10.
11.
12.
13.
14.

C
D
A
C
C
A
B
A

A.

1

2

3

4

30

30

30

30

30

30

30

30

5

6

7

8

30
x 8

B.

1

2

3

4

5

6

7

8

240 minutes or
4 hours
There are 7 more spots the size that it took him 30 minutes to
scrub. So, if you multiply 30 minutes by 8, you get the total
number of minutes it would take to scrub the whole floor.

Science
Session 3

Session 1
1.
2.
3.
4.

D
D
D
C

5.
6.
7.
8.

A

A
C
D

Session 2
09. The correct answer is a
drawing of a pupa with a
label naming it.
10. The correct answer would
include two of the following
possible answers:
S last a long time; don’t
wear down easily
S are strong; will not break
S can withstand heat and
cold
S are generally hard
S can be magnetic
S conduct heat
S can be made into
different shapes
S conduct electricity

11. A. carnivores: 2, 3, 6
herbivores: 1, 4, 5
B. One of the following:
S shape of teeth
S type of teeth or canines
S teeth or short/long teeth
12. A. One of the following:

S Flat molars help them grind up tough plant material.
S Flat and long incisors/canines help them tear plants
from the ground.
B. One of the following:
S Sharp incisors/canines help them to tear or stab meat.
S Sharp molars help them to slice or cut meat.
13. Important points:
S Canines are long and sharp and are used to tear meat.
S Molars are broad and flat and are used to chew and slice
plants.
14. Important points:
S Grass—provides food for the gazelles; provides food for the
zebras; provides energy for all the animals in the
ecosystem; produces food for the ecosystem; produces
oxygen for the animals to use.
S Zebra—provides food for the lions; the zebra eats the grass.
S Gazelle—provides food for the lions; the gazelle eats the
grass.
S Lion—eats the zebras and gazelles and prevents them from
overpopulating the ecosystem.

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LEAP Practice Test – Grade 4