Use column addition with regrouping to solve problems | Starter Quiz | Oak National Academy
Authored by Oak National Academy
Mathematics
2nd Grade
CCSS covered
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6 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
What is the missing tens digit in the second addend in the column addition?
(a)
Answer explanation
7 is the missing tens digit.
Tags
CCSS.2.NBT.B.7
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
What is the missing ones digit in the second addend in the column addition?
(a)
Answer explanation
The missing ones digit is 6
Tags
CCSS.2.NBT.B.7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sum of the two numbers?
105
115
125
135
Answer explanation
The sum of 73 and 52 is 125
Tags
CCSS.1.NBT.C.4
CCSS.2.NBT.B.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What would be a good estimate for the sum of 149 + 152?
200
300
350
400
Answer explanation
A good estimate would be 150 + 150 = 300
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of these calculations would it be more efficient to calculate mentally?
648 + 257
435 + 285
199 + 352
320 + 120
Answer explanation
199 + 352 and 320 + 120 would be more efficient to calculate mentally.
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which calculations will give a sum that is even?
547 + 325
396 + 207
485 + 352
764 + 188
Answer explanation
547 + 325 and 764 + 188 both have even sums.
Tags
CCSS.2.OA.C.3
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