Vidaara.orgClass 1 · Mathematics
CodeVID-M1-WS
Addition Strategies — Practice Worksheet
Name: ____________________
Roll No.: __________
Date: ____________
General Instructions
- All questions are compulsory.
- Choose the correct option (A, B, C or D) for each question.
- The answer key is at the end — try the paper first!
Section A — Multiple Choice (1 mark each)
10 × 1 = 10 marks
1.
Use counting on to add 7 + 4. What is the answer?
- A.10
- B.11
- C.12
- D.13
2.
Which doubles fact equals 16?
- A.7+7
- B.8+8
- C.9+9
- D.6+6
3.
Use making ten to add 9 + 5. What is the answer?
- A.13
- B.14
- C.15
- D.16
4.
What is the near doubles strategy for 6 + 7?
- A.6+6=12+1
- B.7+7=14-1
- C.6+6=12+2
- D.5+5=10+3
5.
Add mentally: 8 + 3
- A.10
- B.11
- C.12
- D.13
6.
Which strategy is best for 9 + 9?
- A.Counting on
- B.Making ten
- C.Doubles
- D.Near doubles
7.
Use making ten to add 8 + 7. What is the answer?
- A.14
- B.15
- C.16
- D.17
8.
If 5 + 5 = 10, what is 5 + 6?
- A.10
- B.11
- C.12
- D.13
9.
Sara has 9 stickers. Her friend gives her 4 more. How many stickers does Sara have now? Use counting on.
- A.12
- B.13
- C.14
- D.15
10.
Which problem can be solved using the near doubles strategy?
- A.3+3
- B.8+2
- C.7+8
- D.10+0
Section B — Challenge / Olympiad (2 marks each)
6 × 2 = 12 marks
11.
Using counting on, what is the smallest number of counts needed to add 12 + 3 and 3 + 12?
- A.3 for both
- B.12 for both
- C.3 for 12+3, 12 for 3+12
- D.12 for 12+3, 3 for 3+12
12.
A number is doubled to get 18. Then 3 is added to the original number. What is the final answer?
- A.21
- B.12
- C.15
- D.24
13.
Using the making ten strategy, which expression is equal to 8 + 7?
- A.10 + 5
- B.10 + 4
- C.10 + 6
- D.10 + 3
14.
Riya uses near doubles to solve 5 + 7. She says the answer is 13. Is she correct? If not, what is the correct answer?
- A.Yes, 13 is correct
- B.No, answer is 11
- C.No, answer is 12
- D.No, answer is 14
15.
Three numbers: first is double of 4, second is 3 more than first, third is double of second. What is the sum of all three numbers?
- A.24
- B.28
- C.32
- D.36
16.
Tom adds three numbers mentally: first he counts on from 8 by 3, then adds a double of 4, then adds 2 more. What is his final answer?
- A.17
- B.19
- C.21
- D.23
Answer Key
Section A — Multiple Choice (1 mark each)
- (B) 11
- (B) 8+8
- (B) 14
- (A) 6+6=12+1
- (B) 11
- (C) Doubles
- (B) 15
- (B) 11
- (B) 13
- (C) 7+8
Section B — Challenge / Olympiad (2 marks each)
- (C) 3 for 12+3, 12 for 3+12
- (B) 12
- (A) 10 + 5
- (C) No, answer is 12
- (C) 32
- (C) 21
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