Break Apart
What is 45 + 32?
77
Show 56 using base ten blocks.
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How do you add 23 + 15 on an open number line?
(Show jumps on the number line)
What number comes after 89 on a hundreds chart?
90
Draw the array for the repeated addition problem:
2+2=4
2 rows of 2 items
Break apart 67 to add 67 + 24.
60 + 24 = 84
84 + 7 = 91
How many tens and ones are in 73?
7 tens and 3 ones
What is the sum of 34 + 22 on an open number line?
56
Identify the number that is 10 more than 45 on a hundreds chart.
55
If the sum is 8, what is the doubles fact?
4 + 4
How can you break apart 81 + 17?
80 + 1 + 17 or 81 + 10 + 7
Use base ten blocks to show 36 + 12.
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Add 19 + 34 using an open number line.
(Start at 34 and jump one 10 and 9 ones)
Find the number that is 20 less than 70 on a hundreds chart.
50
Write the repeated addition equation for the array:
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3 + 3 + 3 + 3 = 12
4 + 4 + 4 = 12
Explain how the break apart method helps you add 39 + 28.
You can break apart the 39 or the 28 into friendly numbers to make adding easier.
Create a number using at least 4 base ten blocks.
(Answers may vary)
Use an open number line to add 56 + 29.
(Show jumps on number line)
What number is 5 more than 62 on a hundreds chart?
67
If you split the number 16 into two equal groups, how many would be in each group? Is it even or odd?
8 in each group. It is even.
Solve: 58 + 34 using the break apart method.
50 + 34 = 84
84 + 8 = 92
Add 73 + 24 using tens blocks.
(Use tens blocks to get the sum of 97)
What is 67 + 16 when using an open number line?
(Show jumps on number line)
How do you find the number that is 30 more than 50 on a hundreds chart?
Move down full 3 rows to get to 80
Jayleen has 5 pink flower stickers, 7 blue flower stickers, and 2 green flower stickers. How many does she have in all?
5 + 7 + 2 = 14 stickers