Unknowns
37 = :) x 8 -3
:) = ?
:) = 5
ESTIMATE to solve.
14 + 65 is about ______
about 80
575 rounded to the neartest ten is _________
575 rounded to the nearest hundred is _______
580 and 600
Maya has 13 sea shells, then she lost 4 sea shells, and found 7 more sea shells. How many sea shells does Maya have now?
16 sea shells
(5-3) x (2x4) =
16
Gabe has 3 packs of :) string cheeses. He eats 2 string cheeses and has 10 left. What is the value of :)?
3 x :) - 2 = 10
:) = 4
ESTIMATE to solve.
97 + 113 is about
about 210
444 rounded to the nearest ten is __________
444 rounded to the nearest hundred is ________
440 and 400
Domino's sells pizza's with 8 slices in each pizza box. Ethan has 6 pizzas, plus 5 extra SLICES. How many total slices of pizza does Ethan have?
53 slices of pizza
(8x3) ÷ (2+4) =
4
Robbi has :) bags of 9 beads each. She uses 15 beads for a bracelet and has 57 beads left. What is the value of :)?
:) x 9 - 15 = 57
:) = 8
ESTIMATE to solve.
142 + 278 is about ______
about 420
Elle rounds a 3-digit number to the nearest ten and gets 230. List all the possible answers
225, 226, 227, 228, 229, 230, 231, 232, 233, 234
Ash is bringing Dani a bouquet. Each bouquet has 5 flowers, and each flower has 8 petals. How many total petals does Ash have to bring to Dani?
80 flower petals
24 ÷ 3 + 5 =
13
Write an equation that represents each problem.
1.) :) times six is forty-eight.
2.) Five more than :( is twenty.
:) x 6 = 48
5 + :( = 20
ESTIMATE to solve.
Which is the closest value?
127 + 235 + 572 is about ________
800 , 900, or 1,000
900
Ezra rounds a 3-digit number to the nearest hundred and gets 200. The ones digit is a 3. List all the possible numbers.
153, 163, 173, 183, 193, 203, 213, 223, 233, 243
Noah buys 4 packs of 12 pencils, then divided them equally among his desk, backpack, and bookshelf. How many pencils are on Noah's desk?
16 pencils
6 + (2x5) - 3=
13
Which equation matches the problem?
Miss Levine thinks of a number. When she adds 3 to half that number and then multiplies the sum by 7 she gets 63.
(n ÷ 2) + 3 x 7 = 63 or (n ÷ 2 + 3) x 7=63
(n ÷ 2 + 3) x 7=63
ESTIMATE to solve.
Which is the closest value?
683 +198-312 is about ________
600 , 700, or 800
600
Oriana rounds a 3-digit number to the nearest ten and gets 200. List all the possible numbers.
195, 196, 197, 198, 199, 200, 201, 202, 203, 204
Madi reads 3 books each month, except for December, when she reads 10 books. How many books does she read in a year?
43 books
Which equation is true?
3 x (9+ 8 - 7) = 28 or 3 x (9 + 8 -7) = 30
3 x (9 + 8 -7) = 30