IMOClass 1 › Chapter Test

Subtraction (up to 20) — Chapter Test

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Q1
Which sign makes it correct: 9 __ 4 = 5 ?
9 − 4 = 5.
Q2
Continue the pattern: 10−1=9, 10−2=8, 10−3= __ ?
10 − 3 = 7.
Q3
Which is the opposite of 6 + 2 = 8 ?
Subtraction undoes addition: 8 − 2 = 6.
Q4
8 − 5 = ?
8 − 5 = 3.
Q5
What is 14 − 4 ?
14 − 4 = 10.
Q6
Complete it: 10 − __ = 6
10 − 4 = 6.
Q7
Subtract: 17 − 8
17 − 8 = 9.
Q8
There are 12 mangoes. 5 are sold. How many are left?
12 − 5 = 7 mangoes.
Q9
Riya has 8 pencils, Aarav has 5. How many more does Riya have?
8 − 5 = 3 more pencils.
Q10
A bus had 16 people. 7 got off. How many are left on the bus?
16 − 7 = 9 people.
Q11
I take 6 away from a number and get 4. What is the number?
10 − 6 = 4, so the number is 10.
Q12
Meera had 20 stickers. She gave 8 to a friend and lost 2. How many are left?
20 − 8 = 12, then 12 − 2 = 10 stickers.
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