Practice with the help of Spectrum Math Grade 1 Answer Key Chapter 1-2 Mid-Test regularly and improve your accuracy in solving questions.
Spectrum Math Grade 1 Chapters 1-2 Mid-Test Answers Key
Add or subtract.
1. 
Answer:
Explanation:
Addition:
7 plus 3 equals 10.
3 plus 7 equals 10.
Subtraction:
10 minus 3 equals 7.
10 minus 7 equals 3.
2. 
Answer:
Explanation:
Addition:
2 plus 7 equals 9.
7 plus 2 equals 9.
Subtraction:
9 minus 2 equals 7.
9 minus 7 equals 2
.
3. 
Answer:
Explanation:
Addition:
4 plus 2 equals 6.
2 plus 4 equals 6.
Subtraction:
6 minus 2 equals 4.
6 minus 4 equals 2
.
4. 
Answer:
Explanation:
Addition:
5 plus 2 equals 7.
2 plus 5 equals 7.
Subtraction:
7 minus 2 equals 5.
7 minus 5 equals 2.
Complete.
5. 
___ tens ___ ones = ____
Answer:
=> 4 tens 6 ones = 46.
Explanation:
Number of tens = (10 × 4) = 40.
Number of ones = 6.
=> 40 tens 6ones = (4 × 10) + (6 × 1)
=> 40 + 6
=> 46.
6. 
___ tens ___ ones = ____
Answer:
=> 5 tens 5 ones = 55.
Explanation:
Number of tens = (10 × 5) = 50.
Number of ones = (5 × 1) = 5.
=> 5 tens 5 ones = (5 × 10) + (5 × 1)
=> 50 + 5
=> 55.
7. 
___ tens ___ ones = ____
Answer:
=4 tens 0 ones = 40.
Explanation:
Number of tens = (10 × 4) = 40.
Number of ones = 0.
=> 4 tens 0 ones = (4 × 10) + (0 × 1)
=> 40 + 0
=> 40.
8. 
___ tens ___ ones = ____
Answer:
=> 9 tens 7 ones = 97.
Explanation:
Number of tens = (9 × 10) = 90.
Number of ones = (7 × 1) = 7.
=> 9 tens 7 ones = (9 × 10) + (7 × 1)
=> 90 + 7
=> 97.
Write >, <, or = to make the following statements true.
9. 66 
49
Answer:
66 > 49.
Explanation:
66 -Big number.
49 – Small number.
=> 66 is greater than 49.
10. 63 53
Answer:
63 > 53.
Explanation:
63 -Big number.
53 – Small number.
=> 63 is greater than 53.
11. 12 25
Answer:
12 < 25.
Explanation:
12 – Small number.
25 – Big number.
=> 12 is lesser than 25.
12. 92 82
Answer:
92 > 82.
Explanation:
92 -Big number.
82 – Small number.
=> 92 is greater than 82.
13. 28 58
Answer:
28 < 58.
Explanation:
28 – Small number.
58 – Big number.
=> 28 is lesser than 58.
14. 58 58
Answer:
58 = 58.
Explanation:
58 – Same number.
58 – Same number.
=> 58 is equals 58.
15. 42 50
Answer:
42 < 50.
Explanation:
42 – Small number.
50 – Big number.
=> 42 is lesser than 50.
16. 68 54
Answer:
68 > 54.
Explanation:
68 -Big number.
54 – Small number.
=> 68 is greater than 54.
17. 10 91
Answer:
10 < 91.
Explanation:
10 – Small number.
91 – Big number.
=> 10 is lesser than 91.
18. 11 31
Answer:
11 < 31.
Explanation:
11 – Small number.
31 – Big number.
=> 11 is lesser than 31.
19. 6 68
Answer:
6 < 68.
Explanation:
6 – Small number.
68 – Big number.
=> 6 is lesser than 68.
20. 87 89
Answer:
87 < 89.
Explanation:
87 – Small number.
89 – Big number.
=> 87 is lesser than 89.
21. 24 54
Answer:
24 < 54.
Explanation:
24 – Small number.
54 – Big number.
=> 24 is lesser than 54.
22. 23 15
Answer:
23 > 15.
Explanation:
23 -Big number.
15 – Small number.
=> 23 is greater than 15.
23. 98 94
Answer:
98 > 94.
Explanation:
98 -Big number.
94 – Small number.
=> 98 is greater than 94.
Count forward. Write the missing numbers.
24. 85, 86, ___, 88, ___, 90, 91, ___, 93, 94, ___, 96
Answer:
85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96.
Explanation:
Missing number pattern:
1 more than each given numbers.
=> 85, 86, 86 + 1 = 87, 88, 88 + 1 = 89, 90, 91, 91 + 1 = 92, 93, 94, 94 + 1 = 95, 96.
25. 104, 105, 106, ___, ____, 109, 110, 111, ____, ____, 114, 115
Answer:
104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115.
Explanation:
Missing number pattern:
1 more than each given numbers.
=> 104, 105, 106, 106 + 1 = 107, 107 + 1 = 108, 109, 110, 111, 111 + 1 = 112, 112 + 1 = 113, 114, 115.
26. 58, ___, 60, 61, ___, 63, 64, ___, ___, 67, 68, 69
Answer:
58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69.
Explanation:
Missing number pattern:
1 more than each given numbers.
58, 58 + 1 = 59, 60, 61, 61 + 1 = 62, 63, 64, 64 + 1 = 65, 65 + 1 = 66, 67, 68, 69.
27. ___, 30, 35, ____, 45, 50, 55, ___, 65, 70, ___, 80
Answer:
25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80.
Explanation:
Missing number pattern:
5 difference than each given numbers.
=> 25 = 30 – 5, 30, 35, 35 + 5 = 40, 45, 50, 55, 55 + 5 = 60, 65, 70, 70 + 5 = 75, 80.
28. 10, ___, ___, 40, 50, ___, 70, ___, 90, ___, ____, ____
Answer:
10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120.
Explanation:
Missing number pattern:
10 more than each given numbers.
=> 10, 10 + 10 = 20, 20 + 10 = 30, 40, 50, 50 + 10 = 60, 70, 70 + 10 = 80, 90, 90 + 10 = 100, 100 + 10 = 110, 110 + 10 = 120.
Add.
29. 
Answer:
Explanation:
Addition:
5 + 4 = 9.
=> 5 minus 4 equals 9.
30. 
Answer:
Explanation:
Addition:
3 + 2 = 5.
=> 3 minus 2 equals 5.
31. 
Answer:
Explanation:
Addition:
8 + 1 = 9.
=> 8 minus 1 equals 9.
32. 
Answer:
Explanation:
Addition:
4 + 4 = 8.
=> 4 minus 4 equals 8.
33. 
Answer:
Explanation:
Addition:
0 + 9 = 9.
=> 0 minus 9 equals 9.
34. 
Answer:
Explanation:
Addition:
2 + 8 = 10.
=> 2 minus 8 equals 10.
35. 
Answer:
Explanation:
Addition:
6 + 3 = 9.
=> 6 minus 3 equals 9.
36. 
Answer:
Explanation:
Addition:
7 + 0 = 7.
=> 7 minus 0 equals 7.
37. 
Answer:
Explanation:
Addition:
9 + 1 = 10.
=> 9 minus 1 equals 10.
38. 
Answer:
Explanation:
Addition:
2 + 3 = 5.
=> 2 minus 3 equals 5.
39. 
Answer:
Explanation:
Addition:
1 + 5 = 6.
=> 1 minus 5 equals 6.
40. 
Answer:
Explanation:
Addition:
0 + 4 = 4.
=> 0 minus 4 equals 4.
41. 
Answer:
Explanation:
Addition:
4 + 6 = 10.
=> 4 minus 6 equals 10.
42. 
Answer:
Explanation:
Addition:
2 + 7 = 9.
=> 2 minus 7 equals 9.
43. 
Answer:
Explanation:
Addition:
6 + 0 = 6.
=> 6 minus 0 equals 6.
44. 
Answer:
Explanation:
Addition:
1 + 6 = 7.
=> 1 minus 6 equals 7.
45. 
Answer:
Explanation:
Addition:
0 + 8 = 8.
=> 0 minus 8 equals 8.
46. 
Answer:
Explanation:
Addition:
4 + 1 = 5.
=> 4 minus 1 equals 5.
47. 
Answer:
Explanation:
Addition:
1 + 0 = 1.
=> 1 minus 0 equals 1.
48. 
Answer:
Explanation:
Addition:
3 + 3 = 6.
=> 3 minus 3 equals 6.
49. 
Answer:
Explanation:
Addition:
5 + 2 = 7.
=> 5 minus 2 equals 7.
50. 
Answer:
Explanation:
Addition:
8 + 2 = 10.
=> 8 minus 2 equals 10.
51. 
Answer:
Explanation:
Addition:
5 + 3 = 8.
=> 5 minus 3 equals 8.
52. 
Answer:
Explanation:
Addition:
6 + 1 = 7.
=> 6 minus 1 equals 7.
53. 
Answer:
Explanation:
Addition:
7 + 3 = 10.
=> 7 minus 3 equals 10.
54. 
Answer:
Explanation:
Addition:
2 + 4 = 6.
=> 2 minus 4 equals 6.
55. 
Answer:
Explanation:
Addition:
3 + 5 = 8.
=> 3 minus 5 equals 8.
56. 
Answer:
Explanation:
Addition:
0 + 5 = 5.
=> 0 minus 5 equals 5.
57. 
Answer:
Explanation:
Addition:
1 + 7 = 8.
=> 1 minus 7 equals 8.
58. 
Answer:
Explanation:
Addition:
0 + 2 = 2.
=> 0 minus 2 equals 2.
59. 
Answer:
Explanation:
Addition:
0 + 0 = 0.
=> 0 minus 0 equals 0.
60. 
Answer:
Explanation:
Addition:
2 + 1 = 3.
=> 2 minus 1 equals 3.
61. 
Answer:
Explanation:
Addition:
4 + 2 = 6.
=> 4 minus 2 equals 6.
62. 
Answer:
Explanation:
Addition:
5 + 0 = 5.
=> 5 minus 0 equals 5.
63. 
Answer:
Explanation:
Addition:
1 + 3 = 4.
=> 1 minus 3 equals 4.
64. 
Answer:
Explanation:
Addition:
0 + 7 = 7.
=> 0 minus 7 equals 7.
65. 
Answer:
Explanation:
Addition:
2 + 6 = 8.
=> 2 minus 6 equals 8.
66. 
Answer:
Explanation:
Addition:
8 + 0 = 8.
=> 8 minus 0 equals 8.
67. 
Answer:
Explanation:
Addition:
6 + 4 = 10.
=> 6 minus 4 equals 10.
68. 
Answer:
Explanation:
Addition:
4 + 5 = 9.
=> 4 minus 5 equals 9.
69. 
Answer:
Explanation:
Addition:
3 + 6 = 9.
=> 3 minus 6 equals 9.
70. 
Answer:
Explanation:
Addition:
7 + 3 = 10.
=> 7 minus 3 equals 10.
Subtract.
71. 
Answer:
Explanation:
Subtraction:
8 – 6 = 2.
=> 8 minus 6 equals 2.
72. 
Answer:
Explanation:
Subtraction:
5 – 4 = 1.
=> 5 minus 4 equals 1.
73. 
Answer:
Explanation:
Subtraction:
9 – 1 = 8.
=> 9 minus 1 equals 8.
74. 
Answer:
Explanation:
Subtraction:
10 – 7 = 3.
=> 10 minus 7 equals 3.
75. 
Answer:
Explanation:
Subtraction:
2 – 0 = 2.
=> 2 minus 0 equals 2.
76. 
Answer:
Explanation:
Subtraction:
4 – 2 = 2.
=> 4 minus 2 equals 2.
77. 
Answer:
Explanation:
Subtraction:
6 – 3 = 3.
=> 6 minus 3 equals 3.
78. 
Answer:
Explanation:
Subtraction:
7 – 6 = 1.
=> 7 minus 6 equals 1.
79. 
Answer:
Explanation:
Subtraction:
9 – 5 = 4.
=> 9 minus 5 equals 4.
80. 
Answer:
Explanation:
Subtraction:
4 – 4 = 0.
=> 4 minus 4 equals 0.
81. 
Answer:
Explanation:
Subtraction:
3 – 1 = 2.
=> 3 minus 1 equals 2.
82. 
Answer:
Explanation:
Subtraction:
1 – 0 = 1.
=> 1 minus 0 equals 1.
83. 
Answer:
Explanation:
Subtraction:
8 – 2 = 6.
=> 8 minus 2 equals 6.
84. 
Answer:
Explanation:
Subtraction:
10 – 8 = 2.
=> 10 minus 8 equals 2.
85. 
Answer:
Explanation:
Subtraction:
9 – 9 = 0.
=> 9 minus 9 equals 0.
86. 
Answer:
Explanation:
Subtraction:
6 – 5 = 1.
=> 6 minus 5 equals 1.
87. 
Answer:
Explanation:
Subtraction:
8 – 4 = 4.
=> 8 minus 4 equals 4.
88. 
Answer:
Explanation:
Subtraction:
9 – 3 = 6.
=> 9 minus 3 equals 6.
89. 
Answer:
Explanation:
Subtraction:
10 – 4 = 6.
=> 10 minus 4 equals 6.
90. 
Answer:
Explanation:
Subtraction:
9 – 6 = 3.
=> 9 minus 6 equals 3.
91. 
Answer:
Explanation:
Subtraction:
5 – 2 = 3.
=> 5 minus 2 equals 3.
92. 
Answer:
Explanation:
Subtraction:
7 – 4 = 3.
=> 7 minus 4 equals 3.
93. 
Answer:
Explanation:
Subtraction:
8 – 8 = 0.
=> 8 minus 8 equals 0.
94. 
Answer:
Explanation:
Subtraction:
10 – 3 = 7.
=> 10 minus 3 equals 7.
95. 
Answer:
Explanation:
Subtraction:
6 – 1 = 5.
=> 6 minus 1 equals 5.
96. 
Answer:
Explanation:
Subtraction:
3 – 3 = 0.
=> 3 minus 3 equals 0.
97. 
Answer:
Explanation:
Subtraction:
10 – 2 = 8.
=> 10 minus 2 equals 8.
98. 
Answer:
Explanation:
Subtraction:
8 – 0 = 8.
=> 8 minus 0 equals 8.
99. 
Answer:
Explanation:
Subtraction:
6 – 4 = 2.
=> 6 minus 4 equals 2.
100. 
Answer:
Explanation:
Subtraction:
10 – 1 = 9.
=> 10 minus 1 equals 9.
101. 
Answer:
Explanation:
Subtraction:
9 – 7 = 2.
=> 9 minus 7 equals 2.
102. 
Answer:
Explanation:
Subtraction:
8 – 5 = 3.
=> 8 minus 5 equals 3.
103. 
Answer:
Explanation:
Subtraction:
10 – 10 = 0.
=> 10 minus 10 equals 0.
104. 
Answer:
Explanation:
Subtraction:
5 – 3 = 2.
=> 5 minus 3 equals 2.
105. 
Answer:
Explanation:
Subtraction:
1 – 1 = 0.
=> 1 minus 1 equals 0.
106. 
Answer:
Explanation:
Subtraction:
5 – 0 = 5.
=> 5 minus 0 equals 5.
107. 
Answer:
Explanation:
Subtraction:
8 – 3 = 5.
=> 8 minus 3 equals 5.
108. 
Answer:
Explanation:
Subtraction:
10 – 0 = 10.
=> 10 minus 0 equals 10.
109. 
Answer:
Explanation:
Subtraction:
9 – 2 = 7.
=> 9 minus 2 equals 7.
110. 
Answer:
Explanation:
Subtraction:
10 – 6 = 4.
=> 10 minus 6 equals 4.
111. 
Answer:
Explanation:
Subtraction:
3 – 2 = 1.
=> 3 minus 2 equals 1.
112. 
Answer:
Explanation:
Subtraction:
2 – 2 = 0.
=> 2 minus 2 equals 0.
Solve each problem.
113. I have 4⊄.
I find 5⊄.
How much money do I have? ___ ⊄
Answer:
Total amount of money I have now = 9⊄.
Explanation:
Amount of money I have = 4⊄.
Amount of money I found = 5⊄.
Total amount of money I have now = Amount of money I have + Amount of money I found
= 4⊄ + 5⊄
= 9⊄.
114. There are 6 
.
2 more come.
What is the sum of 6 plus 2? ____
Answer:
Total number of cats are there now = 8.
Explanation:
Number of cats there are = 6.
Number of cats came more = 2.
Total number of cats are there now = Number of cats there are + Number of cats came more
= 6 + 2
= 8.
115. Jerome has 3 
Carla has 3
How many in all? _______
Answer:
Total number of cars in all = 6.
Explanation:
Number of cars Jerome has = 3.
Number of cars Carla has = 3.
Total number of cars in all = Number of cars Jerome has + Number of cars Carla has
= 3 + 3
= 6.
116. Paula buys 
for 2⊄.
She buys 
for 3⊄.
How much money did she spend? ____ ⊄
Answer:
Total amount of money she spends = 5⊄.
Explanation:
Cost of oranges Paula buys = 2⊄.
Cost of bananas Paula buys = 3⊄.
Total amount of money she spends = Cost of oranges Paula buys + Cost of bananas Paula buys
= 2⊄ + 3⊄
= 5⊄.
117. Andy buys 
for 7⊄.
He buys 
for 3⊄.
How much money did he spend ? ____ ⊄
Answer:
Total amount of money he spends = 10⊄.
Explanation:
Cost of juice Andy buys = 7⊄.
Cost of peanut Andy buys = 3⊄.
Total amount of money he spends = Cost of juice Andy buys + Cost of peanut Andy buys
= 7⊄ + 3⊄.
= 10⊄.
118. There is 1 
.
4 more come.
What is 1 + 4? ____
Answer:
Total number of giraffes there are now = 5.
1 + 4 = 5.
Explanation:
Number of giraffes there is = 1.
Number of giraffes came more = 4.
Total number of giraffes there are now = Number of giraffes there is + Number of giraffes came more
= 1 + 4
= 5.
Solve each problem.
119. Brooke has 5⊄.
She buys 
for 1⊄.
How much money does she have left? ___ ⊄
Answer:
Amount of money Brooke left with = 4⊄.
Explanation:
Amount of money Brooke has = 5⊄.
Cost of pencil she buys = 1⊄.
Amount of money Brooke left with = Amount of money Brooke has – Cost of pencil she buys
= 5⊄ – 1⊄
= 4⊄.
120. There are 7 
.
5 fly away.
How many are left? _______
Answer:
Number of butterflies are left =2.
Explanation:
Number of butterflies there are = 7.
Number of butterflies flew away = 5.
Number of butterflies are left = Number of butterflies there are – Number of butterflies flew away
= 7 – 5
= 2.
121. Drew wants 9 
.
He has 4 .
How many more does he want? ____
Answer:
Number of balloons Drew wants more = 5.
Explanation:
Number of balloons Drew wants = 9.
Number of balloons Drew has = 4.
Number of balloons Drew wants more = Number of balloons Drew wants – Number of balloons Drew has
= 9 – 4
= 5.
122. Mike has 10⊄.
Eva has 8⊄.
How much more money does Mike have? ____ ⊄
Answer:
2⊄ more money Mike has than Eva has.
Explanation:
Amount of money Mike has = 10⊄.
Amount of money Eva has = 8⊄.
Difference:
Amount of money Mike has – Amount of money Eva has
= 10⊄ – 8⊄
= 2⊄.
123. There are 8 
.
2 run away.
What is 8 minus 2? ________
Answer:
Number of dogs are left = 6.
8 minus 2 equal to 6.
Explanation:
Number of dogs there are = 8.
Number of dogs ran away = 2.
Number of dogs are left = Number of dogs there are – Number of dogs ran away
= 8 – 2
= 6.
124. Toshi has 4⊄.
She buys 
for 3⊄.
How much money does she have left? ____ ⊄
Answer:
Amount of money Toshi has left = 1⊄.
Explanation:
Amount of money Toshi has = 4⊄.
Amount of money Toshi buys a house = 3⊄.
Amount of money Toshi has left = Amount of money Toshi has – Amount of money Toshi buys a house
= 4⊄- 3⊄
= 1⊄.