Repaso:Suma-Resta-Tiempo

123 + 157 =

• 180

• 280

• 165

236 - 145=

• 111

• 75

• 91

Redondea a la decena más cerca: 76

• 76

• 80

• 70

Redondea a la centena más cerca: 154

• 150

• 100

• 200

Recess began at 11:12am. It ended at 11:44am. How long was recess?

• 25 minutes

• 32 minutes

• 22 minutes

The assembly started at 3:02pm. It ended at 3:58pm. How long was the assembly?

• 45 minutes

• 1 hour

• 56 minutes

Ann starts with $46.00 and spends $12.00 on

books. How much money does Ann have

left?

• $58.00

• $34.00

• $38.00

Janet has $153 and Ann has $161. How

much money do they have together?

• $234 dollars

• $354 dollars

• $314 dollars

Escoge 3 posibles ecuaciones:

• 7 x 3 = 21

• 10 + 11 = 21

• 7 + 7 + 7 = 21

• (4 + 3) x 3 = 21

¿ Qué ecuación representa a esta matriz ?

• 4 + 4 = 8

• 4 x 4 = 16