P – AS – WP7

Feb 18, 2024

Simon went hiking. He hiked 317 km the first week and 285 km the second week. About how many kilometers did Simon hike? Explain your estimate.

P – AS – OE9

Feb 18, 2024

The estimated difference between two numbers is 60. What could the two numbers be?

P – AS – WP8

Feb 18, 2024

Greg and Jerry decided to bake cookies for a charity concert. Greg baked 592 cookies and Jerry baked 589 cookies. About how many more cookies did Greg bake than Jerry? Explain your estimate.

P – AS – OE10

Feb 18, 2024

The estimated difference between two numbers is 250. What could the two numbers be?

P – AS – PP33

Feb 18, 2024

Which estimate is more accurate for 27 + 59? 70 or 90

Subscribe To Our Newsletter

Join our mailing list to receive the latest news and updates from Dr. David Costello.

You have successfully subscribed!