Practice with the help of Spectrum Math Grade 1 Answer Key Chapter 1 Lesson 1.18 Addition Practice Through 10 regularly and improve your accuracy in solving questions.
Spectrum Math Grade 1 Chapter 1 Lesson 1.18 Addition Practice Through 10 Answers Key
Add.
1.
Answer:
Addition:
Explanation:
3 + 5 = 8.
=> Three plus five equals eight.
2.
Answer:
Addition:
Explanation:
1 + 8 = 9.
=> One plus eight equals nine.
3.
Answer:
Addition:
Explanation:
7 + 2 = 9.
=> Seven plus two equals nine.
4.
Answer:
Addition:
Explanation:
4 + 6 = 10.
=> Four plus six equals ten.
5.
Answer:
Addition:
Explanation:
4 + 2 = 6.
=> Four plus two equals six.
6.
Answer:
Addition:
Explanation:
2 + 5 = 7.
=> Two plus five equals seven.
7.
Answer:
Addition:
Explanation:
4 + 5 = 9.
=> Four plus five equals nine.
8.
Answer:
Addition:
Explanation:
3 + 4 = 5.
=> Three plus four equals five.
9.
Answer:
Addition:
Explanation:
9 + 1 = 10.
=> Nine plus one equals ten.
10.
Answer:
Addition:
Explanation:
0 + 10 = 10.
=> Zero plus ten equals ten.
11.
Answer:
Addition:
Explanation:
6 + 3 = 9.
=> Six plus three equals nine.
12.
Answer:
Addition:
Explanation:
3 + 7 = 10.
=> Three plus seven equals ten.
13.
Answer:
Addition:
Explanation:
8 + 0 = 8.
=> Eight plus zero equals eight.
14.
Answer:
Addition:
Explanation:
3 + 2 = 5.
=> Three plus two equals five.
15.
Answer:
Addition:
Explanation:
0 + 7 = 7.
=> Zero plus seven equals seven.
16.
Answer:
Addition:
Explanation:
6 + 2 = 8.
=> Six plus two equals eight.
17.
Answer:
Addition:
Explanation:
7 + 3 = 10.
=> Seven plus three equals ten.
18.
Answer:
Addition:
Explanation:
0 + 9 = 9.
=> Zero plus nine equals nine.
19.
Answer:
Addition:
Explanation:
6 + 1 = 7.
=> Six plus one equals seven.
20.
Answer:
Addition:
Explanation:
5 + 2 = 7.
=> Five plus two equals seven.
21.
Answer:
Addition:
Explanation:
8 + 2 = 10.
=> Eight plus two equals ten.
22.
Answer:
Addition:
Explanation:
5 + 5 = 10.
=> Five plus five equals ten.
23.
Answer:
Addition:
Explanation:
4 + 0 = 4.
=> Four plus zero equals four.
24.
Answer:
Addition:
Explanation:
2 + 7 = 9.
=> Two plus seven equals nine.
25.
Answer:
Addition:
Explanation:
9 + 0 = 9.
=> Nine plus zero equals nine.
26.
Answer:
Addition:
Explanation:
6 + 4 = 10.
=> Six plus four equals ten.
27.
Answer:
Addition:
Explanation:
1 + 6 = 7.
=> One plus six equals seven.
28.
Answer:
Addition:
Explanation:
3 + 0 = 3.
=> Three plus zero equals three.
29.
Answer:
Addition:
Explanation:
2 + 8 = 10.
=> Two plus eight equals ten.
30.
Answer:
Addition:
Explanation:
5 + 3 = 8.
=> Five plus three equals eight.
31.
Answer:
Addition:
Explanation:
5 + 4 = 9.
=> Five plus four equals nine.
32.
Answer:
Addition:
Explanation:
2 + 4 = 6.
=> Two plus four equals six.
33.
Answer:
Addition:
Explanation:
7 + 0 = 7.
=> Seven plus zero equals seven.
34.
Answer:
Answer:
Addition:
Explanation:
8 + 1 = 9.
=> Eight plus one equals nine.
35.
Answer:
Answer:
Addition:
Explanation:
10 + 0 = 10.
=> Ten plus zero equals ten.
36.
Answer:
Answer:
Addition:
Explanation:
1 + 2 = 3.
=> One plus two equals three.
Solve each problem.
37. There are 8 
There are 2 
What is the sum? 10
Answer:
Total number of carriers there = 10.
Explanation:
Number of carriers there = 8.
Number of carriers more there = 2.
Total number of carriers there = Number of carriers there + Number of carriers more there
= 8 + 2
= 10.
38. There are 6 
3 more 
come.
What is 6 plus 3? _________
Answer:
Total number of hippos there = 9.
6 plus 3 equals 9.
Explanation:
Number of hippos there = 6.
Number of hippos more came = 3.
Total number of hippos there = Number of hippos there + Number of hippos more came
= 6 + 3
= 9.
39. I have 4 
I buy 4 more
How many do I have now? ______
Answer:
Total number of pens I have = 8.
Explanation:
Number of pens I have = 4.
Number of pens I bought more = 4.
Total number of pens I have = Number of pens I have + Number of pens I bought more
= 4 + 4
= 8.
40. Ivan has 2 
Helen has 5
What is 2 + 5? ______
Answer:
Total number of dolls Ivan and Helen has = 7.
2 + 5 = 7.
Explanation:
Number of dolls Ivan has = 2.
Number of dolls Helen has = 5.
Total number of dolls Ivan and Helen has = Number of dolls Ivan has + Number of dolls Helen has
= 2 + 5
= 7.
41. There are 7 
3 more 
come.
How many in all? _______
Answer:
Total number of crows in all = 10.
Explanation:
Number of crows there = 7.
Number of crows came more = 3.
Total number of crows in all = Number of crows there + Number of crows came more
= 7 + 3
= 10.