Composition of Numbers Activity

Composition of Numbers – 1(3)(C)

Drag the appropriate values from the bottom into a shaded box above to show how to compose 10 with two or more addends without concrete objects.

10
+
  • 1
  • 2
  • 3
  •  

  • 4
  • 5
  • 6
  •  

  • 7
  • 8
  • 9
  •  
10
+ +
  • 1
  • 2
  • 3
  •  

  • 4
  • 5
  • 6
  •  

  • 7
  • 8
  • 9
  •  

Composition of Numbers – 2(2)(A)

Drag the appropriate values from the bottom into a shaded box above to show how to compose a whole number based on place value. Note: Students should be modeling these actions with concrete and pictorial models.

321
+ +
  • 100
  • 200
  • 300
  •  

  • 10
  • 20
  • 30
  •  

  • 1
  • 2
  • 3
  •  
321
+ +
hundreds tens ones
  • 1
  • 2
  • 3
  •  

Composition of Numbers – 3(3)(D) with unit fractions

Drag the appropriate number of unit fractions and addition symbols from the top into a shaded box below to show how to compose a fraction using unit fractions.

  • 15
  • +
  •  
0
+
0
+
0
+
0
+
0
=
25
0
+
0
+
0
+
0
+
0
=
35
0
+
0
+
0
+
0
+
0
=
45
0
+
0
+
0
+
0
+
0
=
55

Composition of Numbers – 6(7)(A)

Drag the appropriate values and multiplication symbols from the top into a shaded box below to show how to compose a number based on prime factors.

  • 2
  • 3
  • 5
  •  

  • 7
  • 11
  •  
0
x
0
x
0
=
30
0
x
0
x
0
=
12
0
x
0
x
0
x
0
=
495