DXH_GP425_ICP1_LOT3

Which number is an odd number?

• 2 196

• 1 080

• 1 225

• 4 920

Answer explanation

🔑 Keyword: odd number
🧠 Cách làm: Số lẻ kết thúc bằng các chữ số 1, 3, 5, 7, 9 → 1 225 là số lẻ.

1 more than 2 117 is:

• 2 127

• 2 118

• 2 116

• 2 119

Answer explanation

🔑 Keyword: 1 more than = +1
🧠 Cách làm: 2 117 + 1 = 2 118

1 less than 4 920 is:

• 4 919

• 4 921

• 4 930

• 4 910

Answer explanation

🔑 Keyword: 1 less than = -1
🧠 Cách làm: 4 920 − 1 = 4 919

The sum of 2956 and 1000 is:

• 3856

• 3966

• 3956

• 3955

Answer explanation

🔑 Keyword: The sum of = total, use +
🧠 Cách làm: 2 956 + 1 000 = 3 956

Minh had 324 beads and bought 132 more. How many does she have now?

• 456

• 446

• 458

• 466

Answer explanation

Keyword: bought more → use addition
🧠 Cách làm: 324 + 132 = 456

Trung baked 409 pies. Hang baked 114 more than Trung.
How many pies did Hang bake?

• 515

• 523

• 522

• 524

Answer explanation

🔑 Keyword: “baked more than” = addition
🧠 Cách làm: 409 + 114 = 523

Phuong has 300 marbles. She has 133 fewer than Hien.
How many marbles does Hien have?

• 433

• 437

• 423

• 463

Answer explanation

🔑 Keyword: fewer than → subtract from unknown
🧠 Cách làm: Hien = Phuong + 133 = 300 + 133 = 433

Find the next number in the pattern:
101, 103, 105, 107, ?

• 109

• 110

• 108

• 111

Answer explanation

🔑 Keyword: pattern, rule: add 2
🧠 Cách làm: Mỗi số tăng thêm 2 → số tiếp theo: 107 + 2 = 109

What is the rule for this number pattern?
27, 32, 37, 42, ...

• Add 4

• Add 3

• Add 5

• Add 6

Answer explanation

🔑 Keyword: number sequence
🧠 Cách làm: Hiệu giữa các số = 5 → Quy luật: Add 5

Lan baked 50 cookies. Hoa baked 25 more than Lan. Hue baked 12 more than Hoa.
How many cookies did they bake altogether?

• 217

• 212

• 147

• 145

Answer explanation

🔑 Keyword: altogether
🧠 Cách làm:

• Hoa = 50 + 25 = 75

• Hue = 75 + 12 = 87

• Tổng = 50 + 75 + 87 = 212