Vidaara.orgClass 1 · Mathematics
CodeVID-M1-WS
Subtraction 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 backward to find 9 - 5.
- A.3
- B.4
- C.5
- D.6
2.
Which addition fact helps solve 12 - 7?
- A.7+5=12
- B.7+6=13
- C.7+4=11
- D.7+7=14
3.
Solve mentally: 15 - 8
- A.6
- B.7
- C.8
- D.9
4.
Riya has 20 stickers. She gives 6 stickers to her friend. How many stickers are left?
- A.12
- B.13
- C.14
- D.15
5.
Find the missing number: ? - 3 = 9
- A.6
- B.9
- C.12
- D.15
6.
Which fact family includes 7, 9, and 16?
- A.7+9=16, 16-7=9
- B.7+8=15, 15-7=8
- C.9+6=15, 15-9=6
- D.7+10=17, 17-7=10
7.
Use counting backward: 14 - 5
- A.7
- B.8
- C.9
- D.10
8.
There are 17 eggs in a carton. Mom uses 8 eggs to make a cake. How many eggs are left?
- A.7
- B.8
- C.9
- D.10
9.
Find the missing number: 16 - ? = 9
- A.5
- B.6
- C.7
- D.8
10.
What is the best mental strategy for 11 - 3?
- A.Counting backward
- B.Related facts
- C.Break apart
- D.Guess
Section B — Challenge / Olympiad (2 marks each)
6 × 2 = 12 marks
11.
Using counting backward, how many numbers do you say when subtracting 8 from 20? (Including the starting number?)
- A.8
- B.9
- C.10
- D.11
12.
The sum of three numbers in a fact family is 27. The smallest number is 4. What are the other two numbers?
- A.9 and 14
- B.8 and 15
- C.10 and 13
- D.11 and 12
13.
A number is subtracted from 25 to get 13. The same number is added to 8. What is the result?
- A.18
- B.20
- C.22
- D.24
14.
Which subtraction problem has the same answer as 17 - 9 when solved using related addition facts?
- A.15 - 7
- B.14 - 6
- C.16 - 8
- D.13 - 5
15.
In a missing number problem, the missing number is twice the answer. The problem is ? - 12 = ? (the same missing number appears twice). What is the missing number?
- A.12
- B.18
- C.24
- D.30
16.
Tom counts backward from 30 by 3s (subtracting 3 each time). How many steps does he take to reach a number less than 10?
- A.7
- B.8
- C.9
- D.10
Answer Key
Section A — Multiple Choice (1 mark each)
- (B) 4
- (A) 7+5=12
- (B) 7
- (C) 14
- (C) 12
- (A) 7+9=16, 16-7=9
- (C) 9
- (C) 9
- (C) 7
- (A) Counting backward
Section B — Challenge / Olympiad (2 marks each)
- (B) 9
- (D) 11 and 12
- (B) 20
- (C) 16 - 8
- (C) 24
- (B) 8
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