A Day at the Beach (Counting in Groups) — Important Questions
CBSE · Class 2 · Mathematics
29 important questions from A Day at the Beach (Counting in Groups) for CBSE Class 2 Mathematics, with answers.
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Important Questions from A Day at the Beach (Counting in Groups)
Which of these show ways to make 47 using tens and ones?
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4 tens and 7 ones, 40 + 7, 3 tens and 17 ones
47 can be shown as: 4 tens + 7 ones = 40 + 7 = 47, or 3 tens + 17 ones = 30 + 17 = 47. But 5 tens + 3 ones = 50 + 3 = 53, not 47.
Which statements about the number 54 are correct?
Show answer
It has 5 tens, It has 4 ones, It equals 50 + 4
54 = 5 tens + 4 ones = 50 + 4. Since 54 > 45, the statement '54 is less than 45' is false.
Surbhi collected 28 seashells. She wants to make groups of 10. How many complete groups of 10 can she make?
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2
28 shells can be grouped as: 2 groups of 10 shells (20 shells) with 8 shells remaining. So she can make 2 complete groups of 10.
If you have 4 ten-strips and 3 unit blocks, what number do you have?
Show answer
43
4 ten-strips = 4 × 10 = 40. Add 3 unit blocks: 40 + 3 = 43. The tens digit is 4 and the ones digit is 3.
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- NCERT Official — ncert.nic.in
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- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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