Multiplication
23 x 2
46
3,600
To the nearest thousand
4,000
7.5 + 2.2
9.7
221 + 342
500 & 560
Or justify answer
What is the smallest fraction of an inch we use?
1/8 inch
46 x 12
552
4,320
To the nearest thousand
4,000
6.2 - 5.3
0.9
456 + 703
1,200 & 1,160
Or Justify answer
How many inches are in a foot?
12 inches
67 x 43
2,881
846,292
To the nearest ten thousand
850,000
7.6 + 3.12
10.72
7,368 + 592
7,600 & 7,900
Or justify answer
What is the WIDTH of your mini whiteboard to the nearest inch? (shortest side)
9 inches
78 x 94
7,332
3,569,834
To the nearest hundred thousand
3,600,000
5.1 - 2.4
2.7
6483 + 9582 + 2173
18,000 & 18,300
Or justify answer
What is the LENGTH of your mini whiteboard to the nearest ¼ inch? (longest side)
11 3/4 inches
365 x 6
2,190
75,937,102,758 To the nearest million
75,937,000,000
5.234 + 2.12
7.354
2729 + 6492 + 8492
17,000 & 17,700
Or justify Answer
Why did the US adopt units of measurement such as feet, yards, inches, etc?
For convenience, king with a 12 inch foot, farming, etc…