Singapore Math Models Addition Model Brandon has 120
Singapore Math Models
Addition Model Brandon has $120. 00 in his checking account and $75. 00 in his savings account. How much money does he have in all? ? $120. 00 $75. 00 $120. 00+$75. 00=$195. 00
Subtraction Model Marsel has 90 baseball cards. He gives 30 cards to his brother. How many baseball cards does he have left? 90 ? 30 90 -30=60
Comparison Model There are 300 books and 150 magazines in the library at school. How many more books are there than magazines? 300 150 ? 300 -150=150
Items With a Difference Model A shirt costs $25. 00. A pair of jeans costs $10. 00 more than the shirt. How much are the jeans? Shirt $25. 00 Jeans $25. 00 $10. 00 $25. 00+$10. 00=$35. 00
Multiples Model Destiny bought 9 apples. She bought 3 times as many oranges as apples. How much fruit did she buy? Apples 9 ? Oranges 9 9+9+9+9=36
Multiples and Difference Model There are 20 students in class A. There are 5 more students in Class B than in Class A. There are 5 times as many students in Class C than in class A. How many students are there in all? Class A 20 Class B 20 5 Class C 20 ? 20 20 (20 x 7)+5=145
Sharing Model There are 8 marbles in Bag A and 4 marbles in Bag B. How many marbles must be moved from Bag A to Bag B so that both bags contain the same amount? Bag A Bag B 8 -4=4 8 4 4÷ 2=2 Each bag will have 6
Fractions Model Jake has 15 baseball cards. 3/5 of the cards are from the Atlanta Braves. 2/5 of the cards were from other teams. How many cards were from the Atlanta Braves? 15 3 3 3 x 3=9 3
Ratio Model A recipe calls for 1 cup of sugar for every 2 cups of flour. If we double the recipe and use 2 cups of sugar, how many cups of flour will we need? Sugar Flour 2+2=4
Comparison of Fractions Model Maggie is 2/3 of Blake’s height. Blake is 3/4 of Noah’s height. If Noah is 160 cm. tall, find Maggie’s height and Blake’s height. Maggie Blake 40 cm+40 cm=80 cm 40 cm+40 cm= 120 cm Noah 160 cm÷ 4= 40 cm per box
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