Addition
15+3=
18
205-110=
95
2x7=
14
420
400
205+40=
245
955-637=
318
80÷8=
10
Round 289 to the nearest 10 and 100
290
300
179+357=
536
843-661=
182
8x__=64
8
Estimate 340+670=
Jack drove 229 miles on Monday. He drove 57 more miles on Tuesday than Monday. How many miles did he drive in total?
515
847-203=
644
50x5=
250
Estimate 129+78=
Defend your answer
Nick has 437 books. Anna has 29 books. Rose has 48 books.
1. Write an equation that can be used to find how many books they have altogether.
2. Solve how many books they!
1. 437+29+48=
2. 514
1. Write an equation that shows what to do
2. Solve the equation
1. 2,000-1,350=
2. 650 milliliters
490÷7=
70
Estimate 567-45=
Defend your answer!