Adding Two-Digit Numbers Mentally

Quiz
•
Mathematics
•
2nd Grade
•
Hard
+7
Standards-aligned
J Holland
Used 3+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following addition problem: 2 + 3 = _____.
5
4
6
7
Tags
CCSS.1.OA.A.1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many colorful kittens are there in all? Show how to find the sum by adding tens and ones. Write a number in each blank.
_______ tens + _______ ones = _______ colorful kittens
10 tens + 5 ones = 105 colorful kittens
5 tens + 10 ones = 60 colorful kittens
7 tens + 3 ones = 73 colorful kittens
8 tens + 2 ones = 82 colorful kittens
Tags
CCSS.1.NBT.A.1
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Ben wants to add 32 + 21 + 69 + 28. Which problems show a way Ben can find the sum. Circle all the correct answers.
60 + 90
3 + 2 + 6 + 2 + 30 + 20 + 60 + 20
30 + 20 + 60 + 20 + 2 + 1 + 9 + 8
122 + 28
Tags
CCSS.2.NBT.B.7
CCSS.3.NBT.A.2
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Denny is adding these numbers. For which of these problems can Denny make a ten to help him find the sum?
A. 26 + 12 + 24 + 73
B. 39 + 64 + 45 + 51
C. 35 + 37 + 52 + 64
D. 44 + 91 + 27 + 20
Tags
CCSS.2.NBT.B.7
CCSS.3.NBT.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The importance of using place value understanding to add two-digit numbers is:
It helps in understanding the value of each digit.
It makes addition faster.
It is not important.
It complicates the process.
Tags
CCSS.2.NBT.B.7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How can strategies such as making a ten and breaking numbers into tens and ones be applied in addition?
By simplifying the addition process
By making the problem more complex
By using multiplication instead
By ignoring the tens and ones
Tags
CCSS.1.NBT.C.4
CCSS.2.MD.B.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following scenarios involves the addition of multiple two-digit numbers?
Calculating the total cost of groceries with prices like $12, $23, and $34.
Measuring the length of a room using a single measuring tape.
Determining the area of a square with side length 15 cm.
Finding the average temperature over a week with daily temperatures of 70°F, 72°F, and 68°F.
Tags
CCSS.2.NBT.B.7
CCSS.3.NBT.A.2
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