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Addition and Subtraction
Addition and Subtraction I
1 h 11 min
Concept: Addition within 1000
8 min
Let’s Try! What is the missing number?
11 min
MCQ: ____ = 126 + 584
7 min
Short answer: The sum of the value of the digit ‘6’ in 162 and the value...
8 min
Concept: Subtraction within 1000
5 min
Let’s Try! What is the missing number?
10 min
MCQ: What is the difference between 381 and 610?
11 min
Short answer: The difference of the value of the digit ‘1’ in 159 and...
11 min
Worksheet PDF
Answer PDF
Addition and Subtraction II
54 min
Concept: More on addition and subtraction (place values)
8 min
Let’s Try! What is the value of the digit in the tens place?
6 min
MCQ: Which is the smallest number?
8 min
Short answer: Find the sum of ‘12 tens and 7 ones’ and...
11 min
Concept: Finding the value of an unknown
4 min
Let’s Try! Find the value of the square.
4 min
Short answer: Find the value of the heart.
6 min
Short answer: Find the value of orange + apple.
7 min
Worksheet PDF
Answer PDF
Addition and Subtraction III
1 h 12 min
Concept: Part-whole model
6 min
Let’s Try! There are 23 boys and 15 girls in the class...
8 min
Word problem: Mdm Chan sold 253 muffins on Monday. She sold a total of 707 muffins...
11 min
Word problem: Benny had some money. He spent $128 on transport and...
8 min
Concept: Additive comparison model
4 min
Let’s Try! Baker Daniel baked 316 sausage rolls. He baked...
12 min
Word problem: There are 45 litres of milk in bottles X and Y altogether...
10 min
Word problem: Jacob sold 238 apples. He sold 87 more oranges...
13 min
Worksheet PDF
Answer PDF