Practice A: Addition and Subtraction
Chapter 2 · Consolidation 1
Mixed consolidation. Attempt problems independently before revealing the solutions.
Calculate 474,869 + 110,333.
Calculate 635,468 − 1,190.
Use compensation to add 410,958 and 95,813. What is the exact sum?
Calculate 460,622 − 188,573 by adding 50 to both quantities first. What answer do you get?
A library had 83,407 books, received 151,453 more, then lent 75,726. How many books are there now?
Calculate 36,424 + 39,208.
Calculate 262,637 − 11,288.
Use compensation to add 167,544 and 63,239. What is the exact sum?
Calculate 108,318 − 39,404 by adding 50 to both quantities first. What answer do you get?
A library had 365,453 books, received 112,956 more, then lent 56,478. How many books are there now?
Calculate 320,324 + 23,471.
Calculate 441,071 − 68,953.
Use compensation to add 436,545 and 65,198. What is the exact sum?
Calculate 514,739 − 8,376 by adding 50 to both quantities first. What answer do you get?
Alex and Bea have 537,378 points together. Bea has 5,348 more than Alex. How many does Alex have?
Calculate 369,143 + 199,690.
Calculate 753,307 − 164,453.
Use compensation to add 174,505 and 163,875. What is the exact sum?