Addition
Estimate
Rounding
Subtraction
Bar Diagrams
100
23 + 543
What is 566?
100
Estimate to the nearest thousand: 6,437 + 3,333
What is 9,000?
100
Round 54 to the nearest ten
What is 50?
100
6,745 – 4,847
What is 1,898?
100
Create a Bar Diagram to show: 6 + 5
LOOK AT THE WHITE BOARD
200
645 + 453
What is 1,098?
200
Estimate to the nearest ten: 763 + 659
What is 1,420?
200
Round 637 to the nearest hundred
What is 600?
200
98,897 – 88,999
What is 9,898?
200
Create a Bar Diagram to show: 100 - 52 = ?
LOOK AT THE WHITEBOARD
300
3,789 + 4,897
What is 8,686?
300
Estimate to the nearest thousand: 6,126 - 3,875
What is 2,000?
300
Round 325,687 to the nearest hundred
What is 325,700?
300
8,000 - 5,362
What is 2,658?
300
Create a Bar Diagram to show: 300 - 150 = ?
LOOK AT THE WHITEBOARD
400
8,879 + 6,678
What is 15,557
400
Estimate to the nearest ten thousand: 564,678 - 456,574
What is 100,000?
400
Round 325,687 to the nearest thousand
What is 326,000?
400
10,000 - 7,653
What is 2,347?
400
Create a Bar Diagram to show: 500 + 500 + ? = 2,000
LOOK AT THE WHITEBOARD
500
29,897 + 78,678
What is 108,575
500
Estimate to the nearest ten: 564,786 + 456,233
What is 1,021,020
500
Round 899,999 to the nearest ten
What is 900,000?
500
973,000 - 832,812
What is 140,188?
500
Create a Bar Diagram to show: 300 - (200 + 50)= ?
LOOK AT THE WHITEBOARD
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