Page 68 - NUMINO TG_4A
P. 68
04Numbers in Disguise Unit
Objective: Practice addition and subtraction by filling in the blanks . Have the students use the number cards from
1~8 once in each problem to make addition or
Here are number cards from 1 to 8. subtraction sentences that result in the given
sums or differences.
12345678
Different subtraction and addition sentences can be made using 8 number
cards once. Write the missing numbers in the blanks.
Sample Answers
8765 8764
+1 2 3 4 +2 3 5 1
9,9 9 9 1 1,1 1 5
8642 8743
7531 6521
1,1 1 1 2,2 2 2
4. Numbers in Disguise 31
The Least Difference
In order to make the least difference, the two numbers must be as close as possible. Solve using the
following method.
Step 2. The digits that are left after step 1 are 4 and 5. A 5, E 4.
So, 5,123 4,876 247.
A123 5123
E876 4876
247
4A Unit 04 051
Objective: Practice addition and subtraction by filling in the blanks . Have the students use the number cards from
1~8 once in each problem to make addition or
Here are number cards from 1 to 8. subtraction sentences that result in the given
sums or differences.
12345678
Different subtraction and addition sentences can be made using 8 number
cards once. Write the missing numbers in the blanks.
Sample Answers
8765 8764
+1 2 3 4 +2 3 5 1
9,9 9 9 1 1,1 1 5
8642 8743
7531 6521
1,1 1 1 2,2 2 2
4. Numbers in Disguise 31
The Least Difference
In order to make the least difference, the two numbers must be as close as possible. Solve using the
following method.
Step 2. The digits that are left after step 1 are 4 and 5. A 5, E 4.
So, 5,123 4,876 247.
A123 5123
E876 4876
247
4A Unit 04 051