Q.1. Indicate hops on each number line and complete the addition sentences.
(i) 2 + 2 = ____
Ans. 4
(ii) 1 + 2 = ____
Ans. 3
(iii) 4 + 1 = ____
Ans. 5
(iv) 0 + 3 = ____
Ans. 3
(v) 3 + 2 = ____
Ans. 5
(vi) 2 + 1 = ____
Ans. 3
Q.2. Solve using number line.
(A)
(i) 6 + 4 = ____
(ii) 8 + 1 = ____
(iii) 5 + 3 = ____
(iv) 1 + 1 = ____
(v) 2 + 6 = ____
(vi) 3 + 7 = ____
(vii) 3 + 2 = ____
(viii) 7 + 2 = ____
(ix) 6 + 1 = ____
(x) 2 + 7 = ____
(xi) 4 + 5 = ____
(xii) 0 + 4 = ____
Ans.
(i) 10
(ii) 9
(iii) 8
(iv) 2
(v) 8
(vi) 10
(vii) 5
(viii) 9
(ix) 7
(x) 9
(xi) 9
(xii) 4
(B)
(i)
Ans.
(ii)
Ans.
(iii)
Ans.
(iv)
Ans.
(v)
Ans.
(vi)
Ans.
(vii)
Ans.
(viii)
Ans.
(ix)
Ans.
(x)
Ans.
Q.3. Complete the addition sentence that describes each model.
(i)
11 + ____ + 2 = 17
Ans. 4
(ii)
9 + 3 + ____ = 18
Ans. 6
(iii)
8 + 1 + 7 = ____
Ans. 16
(iv)
4 + ____ + 3 = 14
Ans. 7
(v)
5 + 6 + ____ = 13
Ans. 2
(vi)
____ + 8 + 1 = 10
Ans. 1
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