Round nearest 10
What is 75 rounded to the nearest 10?
A. 60
B. 65
C. 70
D. 80
D. 80
There are 25 red marbles and 42 yellow marbles in a jar. How many marbles are there in all?
A. 67 marbles
B. 63 marbles
C. 55 marbles
D. 53 marbles
Which is the sum of
28 + 36? Use partial sums to solve.
A. 8
B. 12
C. 54
D. 64
Add using the hundreds chart.
39 + 17 = ______
76 = 56 + 22
True
False
What is False?
When rounded to the nearest ten, 63 rounds to ________.
What is 60?
Find the sum of 32 and 28.
What is 60?
Determine the sum of 5 tens and 5 ones + 1 ten and 7 ones.
A. 62
B. 72
C. 18
D. 22
What is 72?
Do you have to regroup to find each sum?
Yes or No?
62 + 34 = ? Yes or No
72 + 19 = ? Yes or No
43 + 49 = ? Yes or No
26 + 60 = ? Yes or No
What is No, Yes, Yes, No?
45 + 17 = 46 + 16
Is the equation true or false?
What is true?
Nicole had 85 stickers. Rounded to the nearest 10, how many stickers does she have?
What is 90 stickers?
Use place value.
Draw blocks or use another way to solve.
26 + 47 = ____
What is 73?
Break apart the second addend to find the sum. Show your work. Draw an open number line to help.
42 + 16 = ______
What is 58?
What is 33?
Find the missing number in the equation.
41+ ____ = 26+43
A. 69
B. 28
C. 24
D. 23
What is 28?
Sanjay wants to buy a piece candy that cost 75 cents. Rounded to the nearest 10, how much does his candy cost?
What is 80 pieces of candy?
Use the number line in your class and select all the numbers that will round to 30 when rounded to the nearest 10.
Select at least 2.
A. 14
B. 32
C. 22
D. 27
Break apart the second addend to find the sum. Show your work. Draw an open number line to help.
36 + 44 = _______
What is 80?
Select all the expressions which have a sum of 17?
Select at least 2.
A. 10 + 7
B. 7 + 7
C. 9 + 8
D. 6+6
What is 9 + 8?
Determine the unknown in the equation. 15 + 45 = ____ + 18.
A. 38
B. 60
C. 42
D. 45
What is 42?
Maliyah has a collection of 73 sea shells. Rounded to the nearest 10, how many sea shells does Maliyah have?
A. 90
B. 85
C. 70
D. 95
Which is the same amount as 28 + 16?
Select at least 2.
A. 3 tens 1 ten 4 ones
B. 30 + 10 + 4
C. 34
D. 44
Break apart the second addend to find the sum. Show your work. Draw an open number line to help.
41 + 37 =
What is 78?
What is 82-42?
What is 40?
Which of the following explains why 19 + 73 = 29 + 63 is a true equation?
The equation 19 + 73 = 29 + 63 is true because both equations are adding 9 ones.
The equation 19 + 73 = 29 + 63 is true because 19 is ten less than 29 and 73 is ten more 63.
The equation 19 + 73 = 29 + 63 is true because both equations have a number that has a 3 in the ones place.
What is The equation 19 + 73 = 29 + 63 is true because 19 is ten less than 29 and 73 is ten more 63?