9 x 25=?
(10 x 25) - (1 x 25) = 225
What is Over/Under Strategy?
23 / 5 = ?
What is 4 r 3?
What is the volume of this prism (5 x 7) x 4?
What is 140 cubic units?
Evaluate the expression 25 x 60.
What is 1,500?
What is closer to 39 x 4, 150, 160, or 170?
What is 160?
5 x 48 = ?
(10 x 48) / 2 = 240
What is Half 10/100 Strategy?
There are 28 slices of pizza. If there are 8 friends, how can they divide up slices of pizza evenly?
"What is " 8 1/2 " slices?"
What is the volume of this prism (18 x 8) x 5?
What is 720 cubic units?
Evaluate the expression (9 x 2) x 50?
What is 900?
Without solving exactly, is 7 × 29 over or under 210?
What is UNDER?
20 x 68 = ?
10 x 136 = 1,360
What is Double and Halve Strategy?
Aaron bought 8 shirts, the total cost of the shirts was $74, how much did each shirt cost?
What is $9.25?
What is the volume of a prism that has a base of 49 and 17 layers?
What is 833 cubic units?
Evaluate the expression 99 x 38.
What is 3,762?
Estimate 48 × 6, what is the closest friendly number.
What is 300?
(9 x 2) x 5 + (5 x 4) x 2 + (2 x 12) x 10 = ?
90 + 40 + 240 = 370
What is Regrouping Strategy?
57 5th Grade students are going to Outdoor Ed. They need to rent buses to get there, 4 students can fit on each row, how many rows will the students take up on the bus?
What is 15 rows?
What is the volume of this prism?
What is 36 cubic units?
Evaluate the expression (2 x 5) x 6 + (8 x 3) x 4.
What is 156?
Which is a better estimate for 198 × 5: 500 or 1,000?
What is 1000?
102 x 98 = ?
(100 x 98) + (2 x 98) = 9,996
What is Over/Under Strategy?
Mr. Hagarty bought a three surfboards for $3,328. How much did each surfboard cost?
What is $665.60?
What is the volume of this prism?
What is 52 cubic units?
Evaluate the expression 882 divided by 98.
What is 9?
A student says 49 × 21 is about 1,000. Is that a reasonable estimate?
What is YES?