1. Subtract.
Write a number model for your ballpark estimate.
DO NOT use a calculator.
823 – 174 =
Answer:
Ballpark estimate:
2. Add.
Write a number model for your ballpark estimate. DO
NOT use a calculator.
279 + 357 =
Answer:
Ballpark estimate:
3. Measure
0
in
the line segment to the nearest half inch.
1
2
3
4
4. Measure
the line segment to the nearest half inch.
5. Measure
the line segment to the nearest 1 centimeter.
2
0 1
cm
2
cm
3
4
5
6
7
8
9
10
6. Measure
the line segment to the nearest 1 centimeter.
2
cm
7. Find
the perimeter of the rectangle.
6 cm
2 cm
The perimeter is
cm.
8. One
side of the rectangle is 2 centimeters. Find the perimeter
of the rectangle. (Perimeter is the distance around the rectangle.)
2 cm
0 1
cm
2
3
4
5
Length of side:
Perimeter:
(unit)
(unit)
9. One
side of the triangle is 5 centimeters, and another side of
the triangle is 2 centimeters. Find the length of the third side of
the triangle. Then find the perimeter. (Perimeter is the distance
around the triangle.)
5 cm
0 1
cm
2 cm
2
3
4
5
10. Find
the length of the remaining side of the polygon. Then
find the perimeter of the polygon. (Perimeter is the distance
around the polygon.)
2 cm
4 cm
2 cm
1 cm
0 1
cm
2
3
4
5
11. Which
describes the probability that any student’s next
birthday is on Monday?
[A] sure
to happen
[B] sure
not to happen
[C] may
happen, but not sure
12. Tracy
bought a can of soup for 40¢. She gave the clerk one
quarter and two dimes.
a. How much change should she receive?
b. Draw the coins she might get back. Use , ,
, and .
13. a.
Measure the sides of the polygon in centimeters.
b. The perimeter is
14. Draw
a polygon with an area of 4 square units.
Fill in the blanks.
15.
cm.
48 in.
ft
ft  2 yd
16.
in.  3 ft
yd
3 ft 
17. Measure
0
in
the line segment to the nearest half inch.
1
2
3
4
18. Measure
the line segment to the nearest half inch.
19. Measure
the line segment to the nearest 1 centimeter.
2
0 1
cm
2
3
4
5
6
7
8
9
10
cm
20. Measure
cm
the line segment to the nearest 1 centimeter.
2
21. Use
the data from the tally chart to create a line plot. You may
use your Student Reference Book to help you.
Number of questions
answered
Number of Children
20
15
16
13
9
Questions answered by children in Third Grade
Number
of
Children
8 9 10 11 12 13 14 15 16 17 18 19 20
Number of questions
22. Jackson
did a survey of the scores on a reading test. He
created this frequency table. Find the maximum of the scores.
Scores
70
3
74
4
75
1
80
1
85
6
90
7
95
3
25
23. Dick
did a survey of ages of children in his block. He created
this frequency table. Find the median of the ages.
Ages
1
5
2
4
3
3
4
2
5
1
6
2
7
6
23
24. Taylor
did a survey of the number of electrical outlets in
different class rooms in school. He created this frequency table.
Find the maximum, minimum and range number of electrical
outlets.
Electrical
Outlets
1
7
3
6
5
5
7
4
9
1
11
1
12
1
25
[1] Answer: 649
Ballpark estimate: Sample answer: 800  200  600
[2] Answer: 636
Ballpark estimate: Sample answer: 300  400  700
[3] 2
1
inches
2
[4] 4 inches
[5]
1
cm
2
[6] 4 cm
[7] 16 cm
[8] Length of side: 2 cm; Perimeter: 8 cm
[9] Third side: 5 cm; Perimeter: 12 cm
[10] Remaining side: 4 cm; Perimeter: 13 cm
[11] [C]
[12] a. 5¢
b. Sample answer:
[13] a.
3cm
2
2
1
cm
2
1cm
3cm
2cm
b. 14 cm
[14] Sample answer:
[15] 4; 6
[16] 36; 1
[17] 2
1
inches
2
[18] 1 inch
[19] 3 cm
1
cm
2
[20] 5 cm
[21]
Questions answered by children in Third Grade
Number
of
Children
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
8 9 10 11 12 13 14 15 16 17 18 19 20
Number of questions
[22] 95
[23] 3
[24] 12; 1; 11