Adding
Subtracting
Subtracting with Zeros
Estimating to the Nearest 100
Vocabulary
100
517+402=
What is 919?
100
844-609=
What is 235?
100
940-355=
What is 585?
100

454 + 335 ------------

What is 500 + 300 = 800

100
Difference
What is the result of subtracting one number from another?
200
4,892+3,518=
What is 8, 410?
200
7,785-1,494=
What is 6,291?
200
8,007-3,569=
What is 4,438?
200
2,871 + 5,427 ---------------
What is 2,900 +5,400 -----------------------
200
Sum
What is the result of adding two or more numbers?
300
37,178+82,370=
What is 119,548?
300
91,160-58,535=
What is 32,625?
300
52,006-13,055=
What is 38,951?
300

48,344 - 27,863 --------------------

What is 48,300 - 27,900 ------------------------

300
Regroup
What is carrying or borrowing a number from one column to another?
400
254, 671+381,366=
What is 636,037?
400
112,914-110,265=
What is 2,649?
400
508,200-136,118=
What is 372,082?
400
25,497 + 54,088 --------------------
What is 25,500 + 54,100 --------------------
400

Rounding

What is estimating a number to the nearest requested place value digit.

500
743,980+211,315=
What is 955,295?
500
989,372-670,584=
What is 318,788?
500
809,400-237,235=
What is 572,165?
500
647,236 - 220,425 -------------------
What is 647,200 - 220,400 -------------------
500

multi-digit

What is a number with 2 or more digits?

M
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