Singapore Math Level 2A & 2B - Unit 3: FUN WITH MODELS (ADDING AND SUBTRACTING) - 8 Questions
Unit 3: FUN WITH MODELS (ADDING AND SUBTRACTING)
Examples:
1. James has 93 postcards. Anya has 62 postcards. How many postcards do they have altogether?
93+62 = 155
They have 155 postcards altogether.
2. Aunt Lily had $59. She spent $17 on a book. How much did she have left?
$59 – $17 = $42
She had $42 left.
Draw the models, and solve the following story problems.
1. Danny has 576 bookmarks. Emilio has 186 bookmarks. How many bookmarks do they have altogether?
They have ________ bookmarks altogether.
Solution1:
576+186 = 762
They have 762 bookmarks altogether.
2. Eddy has 280 chickens. He sells 168 chickens. How many chickens does he have left?
He has ______ chickens left.
Solution2:
280-168 = 112
He has 112 chickens left.
3. A shopkeeper sold 360 apples on Monday. He sold 275 apples on Tuesday and another 150 apples on Wednesday. How many apples did he sell altogether?
He sold _______ apples altogether.
Solution3:
360 + 275 + 150 = 785
He sold 785 apples altogether.
4. Samantha had 96 seashells. She gave some to her best friend. She had 78 seashells left. How many did she give to her best friend?
She gave _______ seashells to her best friend.
Solution4:
96 – 78 = 18
She gave 18 seashells to her best friend.
5. Andy received 131 stamps from his father. His sister gave him 280 stamps. How many stamps did he have altogether?
He had _______ stamps altogether.
Solution5:
131+280 = 411
He had 411 stamps altogether.
6. There are 216 chickens (🐓), 137 ducks (🦆), and 97 rabbits (🐇) on a farm. How many animals (chickens+ducks+rabbits) are there on the farm?
There are _____ animals on the farm.
Solution6:
216+137+97 = 450
There are 450 animals on the farm.
7. Malik had 720 trading cards. He gave some to his brother. He had 465 trading cards left. How many trading cards (🃣) did he-give-to his brother?
He gave ____ trading cards to his brother.
Solution7:
720 – 465 = 255
He gave 255 trading cards to his brother.
8. Hitomi saves $310. Her brother saves $280 more than Hitomi.
(a) How much does her brother save?
Her brother saves $______
Solution8(a):
$310 + $280 = $590
Her brother saves $590.
(b) How much do they save altogether?
They save $ _______ altogether.
Solution8(b):
$310 + $590 = $900
They save $900 altogether.
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