Name
Addition
Magic Number
Each square has a magic number. To find out what it is, add each row across, up and down,
and diagonally. The sum of each row should be the same. Write the magic number in the
blank.
1.
2.
6
1
8
2
7
5
3
7
2
9
4
1
8
3
6
4
5
0
Magic number:
3.
Magic number:
4
9
8
11
7
6
5
4.
9
2
7
3
4
6
8
10
5
10
3
Magic number:
5.
Magic number:
2
16
6
12
8
10
0
6.
3
18
15
4
24
12
0
14
9
6
21
Magic number:
Magic number:
Math Focal Points: Number & Operations 2-3
42
© Remedia Publications
Name
Addition
Magic Number Challenge
Each square has a magic number. Fill in the empty squares to find out what it is. The sum
of each row — across, up and down, and diagonally — should be the same. Then, write the
magic number in the blank.
1.
3
2
8
6
2.
7
8
10
6
5
4
12
5
5
6
7
Magic number:
4.
7
4
6.
14
8
4
0
14
16
6
12
0
24
6
Magic number:
18
20
8
10
Magic number:
Magic number:
© Remedia Publications
2
10
9
8
32
9
1
Magic number:
5.
4
0
Magic number:
3.
3
43
Math Focal Points: Number & Operations 2-3
Name
Addition
What’s Missing?
The shaded column to the right of each square shows the sum for each row in the square.
Find the missing numbers and fill in the boxes to complete the squares.
1.
4
3
5
7
3.
4
2
3
= 13
3
6
7 = 15
= 14
8
1 = 14
4.
7
= 18
2
1
= 21
7
6
= 15
3
4
= 12
Math Focal Points: Number & Operations 2-3
8
6.
3
2
5 = 22
7
1
5
44
4 = 16
6 = 10
1
4 = 19
12
= 16
9
= 12
5 =
5
7
5.
7
2.
= 19
=
6
3
= 25
© Remedia Publications
Name
Addition & Subtraction
Color the Answer
Solve each problem. Find your answers in the picture. Color each section of the picture
according to the color heading your answer is under.
7
67
6
48
59
26
55
42
73
74
13
91
41
35
7
84
6
74
6
50
Yellow
1. 24 +
2. 59 +
3. 82 4. 21 -
17
15
76
14
=
=
=
=
Orange
5. 87
6. 95
7. 72
8. 26
39
36
59
16
=
=
=
=
+
© Remedia Publications
45
Red
9. 37 +
10. 72 11. 34 +
12. 56 +
13. 54 -
18
46
39
35
19
Light Blue
14. 48 +
15. 27 +
19 =
24 =
Dark Blue
16. 55 +
29 =
=
=
=
=
=
Math Focal Points: Number & Operations 2-3
Name
Addition & Subtraction
Detective Book
Solve each problem. Locate the letters in the secret code book
that match each answer. Write the letters in order on the lines
below to solve the riddle.
1. 45 + 37 =
6. 65 – 56 =
2. 31 – 24 =
7. 51 + 29 =
3. 24 + 57 =
8. 39 + 26 =
4. 74 + 16 =
9. 36 + 54 =
5. 80 – 53 =
10. 82 – 55 =
C-9
D - 81
E - 90
N-7
Riddle:
O - 80
R - 27
U - 82
V - 65
Why did the book join the police department?
So he could work
Math Focal Points: Number & Operations 2-3
46
© Remedia Publications
Name
Addition & Subtraction
Number Puzzle
Solve each problem. Write the answers in the puzzle.
Across
1. 35 - 29 =
1
2. 64 + 28 =
2
3
4
5
6. 55 - 48 =
6
7. 33 - 29 =
8. 44 + 27 =
7
10. 43 - 29 =
11. 88 +
8 =
12. 49 + 29 =
8
13. 52 - 17 =
9
10
11
14. 63 - 55 =
15. 45 +
12
6 =
17. 18 + 22 =
18. 17 + 13 =
13
Down
14
15
16
3. 42 - 14 =
17
4. 59 + 14 =
18
5. 46 + 19 =
8. 92 - 17 =
9. 68 + 28 =
10. 33 - 15 =
Bonus Activity
13. 62 - 24 =
13 across + 3 down + 10 down =
15. 36 + 16 =
8 down - 13 down =
16. 16 + 34 =
11 across - 6 across =
7 across + 10 down + 12 across =
© Remedia Publications
47
Math Focal Points: Number & Operations 2-3
Name
Addition & Subtraction
Counting Cattle
Solve each problem below. Match each answer to its letter in the
code box. Write the letters in order on the lines below to solve the
riddle.
1.
542 2.
+171
8.
849 3.
736 4.
– 378
928 9.
– 268
– 427
593 10.
+120
437 5.
–186
354 11.
+263
415 6.
+245
136 12.
+115
981 7.
–754
214 13.
+776
664
– 239
491 14.
– 264
238
+157
E
C
U
L
T
S
O
A
R
W
309
660
713
617
990
471
227
251
395
425
Riddle:
What is the easiest way to count a herd of cattle?
Math Focal Points: Number & Operations 2-3
48
© Remedia Publications
Name
Addition & Subtraction
Number Puzzle
Solve each problem. Write the answers in the puzzle.
Across
1. 810 – 329 =
3.
58 +
2
1
64 =
5. 822 – 269 =
67 +
57 =
11.
46 +
55 =
4
5
6. 630 – 139 =
7.
3
7
6
8
9
13. 710 – 678 =
15. 325 – 296 =
17.
49 +
10
74 =
12
11
Down
13
1. 733 – 259 =
2.
74 +
77 =
3.
75 +
56 =
14
15
4. 423 – 159 =
16
8. 473 – 195 =
9. 511 – 442 =
10.
58 +
45 =
12.
69 +
57 =
14.
76 +
49 =
16.
39 +
74 =
17
Bonus Activity
5
across –
9 down =
13
across +
8 down =
down
7 across =
1
–
6 across + 14 down =
© Remedia Publications
49
Math Focal Points: Number & Operations 2-3
Name
Addition & Subtraction
Hungry Teddy Bears
Solve each problem. Match the answers to the numbers under
the blank lines below. Write the letters next to the answers on the
lines above the matching numbers to solve the riddle.
1.
321
+265
5.
6.
-696
10.
F
3.
7.
+409
11.
294
+137
B
8.
12.
S
902
-463
T
H
621
+310
C
842
+102
R
4.
789
-501
Y
571
621
+342
E
424
-296
U
835
739
-421
A
945
-702
9.
2.
D
Riddle: Why are teddy bears never hungry?
Math Focal Points: Number & Operations 2-3
50
963
318
288
586
944
431
318
128
586
980
318
931
944
243
139
243
931
318
139
318
439
© Remedia Publications
Name
Addition & Subtraction
Number Search
Solve each problem. Then, circle your answers in the number search puzzle. Circle the
answers horizontally and vertically only.
5 6 4 1 4 3 8 5 7 6 1 2 4 4 1 7
2 8 2 2 1 4 7 3 3 8 7 0 3 1 7 1
4 2 0 0 6 2 2 5 4 4 1 7 7 6 4 0
2 2 5 9 5 4 1 6 8 6 8 5 1 8 5 6
5 5 8 4 5 8 8 0 5 0 3 8 3 8 8 0
7 8 9 5 9 7 5 5 2 4 4 6 3 8 7 2
9 4 1 2 6 5 2 1 0 1 4 2 5 2 9 8
1 0 8 8 1 3 5 3 9 7 2 1 6 4 2 4
1 4 9 7 4 8 0 3 3 2 6 8 4 8 0 6
1 5 8 6 8 4 2 1 8 6 8 8 1 7 5 0
0 9 6 1 0 5 4 2 2 2 8 8 5 1 9 2
0 8 0 5 5 7 0 7 0 7 8 1 0 7 6 6
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
159
441
356
763
334
541
633
294
331
698
830
© Remedia Publications
+
+
+
+
+
+
-
483
159
495
184
288
293
444
208
154
182
289
=
=
=
=
=
=
=
=
=
=
=
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
51
439
811
532
311
698
275
189
635
830
521
599
+
+
+
+
+
+
199
123
264
163
148
177
363
187
659
464
182
=
=
=
=
=
=
=
=
=
=
=
Math Focal Points: Number & Operations 2-3
Name
Addition / Subtraction
Skill Challenge
Shade in the letter next to the correct answer.
1. 14 + 25 =
ⓐ 29
ⓑ 11
ⓒ 47
ⓓ 39
6. 981 - 206 =
ⓐ 721
ⓑ 775
ⓒ 804
ⓓ 209
2. 64 - 23 =
ⓐ 50
ⓑ 41
ⓒ 29
ⓓ 13
7. Which problem does not
equal 648?
ⓐ 253 + 702
ⓑ 962 - 314
ⓒ 702 - 54
ⓓ 617 + 31
3. Which problem equals 204?
ⓐ 321 - 117
ⓑ 546 + 429
ⓒ 402 - 302
ⓓ 204 + 361
8. 2 + 3 + 9 =
ⓐ 19
ⓑ 10
ⓒ 14
ⓓ none of the above
4. Which number sentence is
not correct?
ⓐ 32 + 41 = 73
ⓑ 632 + 109 = 741
ⓒ 86 - 21 = 42
ⓓ 421 + 399 = 820
9. 4,326 + 3,042 =
ⓐ 8,736
ⓑ 3,768
ⓒ 7,368
ⓓ 6,738
5. Which number makes this
number sentence correct?
= 94
30 +
ⓐ 72
ⓑ 45
ⓒ 11
ⓓ none of the above
Math Focal Points: Number & Operations 2-3
10. Which number sentence
equals 2,491?
ⓐ 5,582 - 3,091
ⓑ 7,846 - 1,436
ⓒ 4,296 - 2,078
ⓓ 9,476 - 6,336
52
© Remedia Publications
Answer Key
Page 40
Page 41
Across
1. 264
3. 528
4. 3,282
6. 637
7. 347
8. 311
9. 363
11. 427
12. 913
14. 620
16. 2,438
1. 364
2. 553
3. 353
4. 552
5. 6,243
6. 5,813
7. 747
8. 327
9. 279
10. 556
11. 3,730
12. 4,535
13. 555
14. 3,023
15. 487
16. 637
17. 3,524
18. 738
Down
1. 263
2. 887
5. 4,141
6. 663
7. 3,144
10. 4,740
13. 362
15. 298
Bonus Activity: 540, 884, 576, 100
1
2 6 4
8
6
5 2 8
3 2 8 2
7
4
1
6 3 7
3 4 7
6
3 1 1
3 6 3
4
4
4 2 7
4
9 1 3
6 2 0
6
9
2 4 3 8
2
3
4
5
6
7
8
9
10
Page 42
11
12
13
14
1. 12
2. 15
3. 21
4. 18
5. 24
6. 36
15
16
Math Focal Points: Number & Operations 2-3
84
© Remedia Publications
Answer Key
Page 43
Page 45
1. 4, 1, magic number: 12
2. 8, 2, magic number: 15
3. 3, 2, magic number: 18
4. 16, 12, magic number: 24
5. 28, 16, magic number: 48
6. 4, 20, magic number: 36
1.
2.
8
3
4
0
1
5
9
5
6
7
2
3
2
7
8
4
1
6
Magic number:
Magic number:
3.
4.
2
16
2
12
8
4
9
10
0
14
3
8
7
10
6
5
4
12
8
32
16
4
24
6
Magic number:
Magic number:
5.
Yellow
1. 41
2. 74
3. 6
4. 7
Orange
5. 48
6. 59
7. 13
8. 42
Red
9. 55
10. 26
11. 73
12. 91
13. 35
Light Blue
14. 67
15. 50
Dark Blue
16. 84
6.
28
14
16
6
0
4
12
20
20
18
8
10
Magic number:
Magic number:
Page 46
Page 44
1. 82
8. 7
3. 81
4. 90
5. 27
6. 9
7. 80
8. 65
9. 90
10. 27
1. 2, 4, 3
2. 4, 2, 5
3. 0, 10, 8
4. 10, 4, 9
5. 8, 2, 5
6. 9, 0, 14
1.
3.
5.
2
2.
4
7
= 13
3
9
4
3
5
4
= 12
6
2
7 = 15
7
3
4
= 14
8
5
1 = 14
0
2
5 =
3
5
7
4.
= 16
10
2
4 = 16
= 18
1
4
6 = 10
8
4 = 19
9
8
5 = 22
8
12
1
= 21
3
9
7
= 19
7
6
2
= 15
2
1
0
=
3
4
5
= 12
14
5
6
= 25
10
7
6.
Riddle: so he could work undercover
Page 47
Across
1. 6
2. 92
6. 7
7. 4
8. 71
10. 14
11. 96
12. 78
13. 35
14. 8
15. 51
17. 40
18. 30
3
Down
3. 28
4. 73
5. 65
8. 75
© Remedia Publications
85
Math Focal Points: Number & Operations 2-3
Answer Key
Page 47 (continued)
Page 49 (continued)
9. 96
10. 18
13. 38
15. 52
16. 50
9. 69
10. 103
12. 126
14. 125
16. 113
Bonus Activity: 77, 37, 89, 100
1
6
2
5
3
4
9 2
6
8
5
7
4
8
7 1 9
5 9 6
10
9
11
Bonus Activity: 484, 310, 350, 616
1
7
3
7
6
17
Page 48
4 0
8
7
8
13
14
15
3 5
8
5 1
5
2 3 0
Page 50
1. 586
2. 318
3. 963
4. 431
5. 243
6. 128
7. 288
8. 931
9. 139
10. 980
11. 944
12. 439
16
18
1. 713
2. 471
3. 309
4. 251
5. 660
6. 227
7. 425
8. 660
9. 713
10. 617
11. 251
12. 990
13. 227
14. 395
9
6
9
12
1
2
6
16
1
1
1 2 3
17
Riddle: because they are stuffed
Page 51
1. 642
2. 282
3. 851
4. 579
5. 622
6. 834
7. 189
8. 502
9. 177
10. 880
11. 541
12. 638
13. 688
14. 268
15. 148
16. 846
17. 452
18. 552
19. 822
20. 171
21. 57
22. 781
Riddle: use a cowculator
Page 49
Across
1. 481
3. 122
5. 553
6. 491
7. 124
11. 101
13. 32
15. 29
17. 123
Down
1. 474
2. 151
3. 131
4. 264
8. 278
Math Focal Points: Number & Operations 2-3
4
11
12
15
3
10
1 4
8
7 8
13
14
2
4 8 1
1 2 2
7
5 5 3
6
4 9 1
1 2 4
7
8
1
1 0
3
1
2 9
5
5
6
86
© Remedia Publications
Answer Key
Page 52
Page 58
1. d
2. b
3. a
4. c
5. d
6. b
7. a
8. c
9. c
10. a
+ 2. There were 57 bottles to begin with.
– 3. He made a basket 17 times.
+ 4. There were 617 fans in the bleachers.
Page. 59
–
–
+
+
Page 53
1. add
2. subtract
3. add
4. add
5. subtract
Page 60
1. b
2. d
3. a
4. b
5. a
6. c
Page 54
1. 210 - 84
2. 142 + 117
3. 19 + 16
4. 521 – 247
5. 14 + 10
6. 112 – 98
Page 61
10.
1. 1/3
2. 3/4
3. 1/3
4. 4/12
5. 2/8
6. 1/2
7. 2/3
8. 5/8
9. 3/8
Page 55
– 2. There were 19 employees left.
– 3. There were 49 more boxes of chocolate
raisins.
+ 4. 208 buckets of popcorn were bought.
Page 56
1. enough information
2. not enough information
3. not enough information
4. enough information
5. not enough information
6. enough information
11.
Page 62
Page 57
1
—
4
1
—
2
6.
1
—
6
8.
7.
3
—
4
5
—
6
7
—
10
9.
5
—
8
11.
10.
5
—
6
2
—
3
5.
4.
87
3.
2.
1.
2. Jaime climbs to the top of the hill at the park every
Saturday night from 8-10 p.m. She likes to look at
the stars through her telescope and count how
many she sees.
3. Jeff works in the dog section. He tries to find the
dogs good homes.
4. Every spring, Ian’s neighborhood has an egg
hunt. The adults hide 600 plastic eggs with candy
in them. All the kids in the neighborhood race
around to find them.
5. She wanted to plant a garden of tomatoes,
carrots, green beans, and corn.
6. Dustin and Eric work on their free throws every
day after basketball practice. They shoot over
2,000 free throws a week.
© Remedia Publications
1. 1,367 more hot dogs were sold.
2. 13 were kids.
3. 7,939 people rode the rides.
4. 105 baby animals were being shown.
2
—
5
12.
1
—
3
7
—
12
Math Focal Points: Number & Operations 2-3