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Worksheet Worksheet

Instructions: Perform the given calculation mentally, then draw out a number line diagram to perform the calculation.
1.
Calculate \(43 + 25\) mentally and on a number line.
2.
Calculate \(18 + 38\) mentally and on a number line.
3.
Calculate \(26 + 49\) mentally and on a number line.
4.
Calculate \(76 + 19\) mentally and on a number line.
5.
Calculate \(54 + 21\) mentally and on a number line.
6.
Calculate \(35 + 45\) mentally and on a number line.
7.
Calculate \(29 + 52\) mentally and on a number line.
8.
Calculate \(276 + 112\) mentally and on a number line.
9.
Calculate \(135 + 349\) mentally and on a number line.
10.
Calculate \(289 + 428\) mentally and on a number line.