Speed Grid Division 4×4 Medium — Set 20

This page uses a content type that does not have a custom renderer yet. Raw structured data is shown below.

{
    "contentData": {
        "operation": "speed-grid",
        "subject": "arithmetic",
        "difficulty": "medium",
        "gridSize": 4,
        "config": {
            "gridSize": 4,
            "difficulty": "medium",
            "maxNumber": 10
        },
        "problems": [
            {
                "type": "speed-grid",
                "subType": "speed-grid",
                "difficulty": "medium",
                "question": "Speed Grid (-): Fill in each cell by applying the operation to the row and column headers. Row headers: [8, 5, 9], Column headers: [2, 3, 4]",
                "answer": "Row 8: [6, 5, 4]; Row 5: [3, 2, 1]; Row 9: [7, 6, 5]",
                "operation": "-",
                "rowHeaders": [
                    8,
                    5,
                    9
                ],
                "colHeaders": [
                    2,
                    3,
                    4
                ],
                "cells": [
                    [
                        6,
                        5,
                        4
                    ],
                    [
                        3,
                        2,
                        1
                    ],
                    [
                        7,
                        6,
                        5
                    ]
                ]
            },
            {
                "type": "speed-grid",
                "subType": "speed-grid",
                "difficulty": "medium",
                "question": "Speed Grid (×): Fill in each cell by applying the operation to the row and column headers. Row headers: [4, 4, 4], Column headers: [2, 1, 5]",
                "answer": "Row 4: [8, 4, 20]; Row 4: [8, 4, 20]; Row 4: [8, 4, 20]",
                "operation": "×",
                "rowHeaders": [
                    4,
                    4,
                    4
                ],
                "colHeaders": [
                    2,
                    1,
                    5
                ],
                "cells": [
                    [
                        8,
                        4,
                        20
                    ],
                    [
                        8,
                        4,
                        20
                    ],
                    [
                        8,
                        4,
                        20
                    ]
                ]
            }
        ],
        "layout": {
            "columns": 2,
            "problemsPerPage": 20
        }
    },
    "_archetype": "guided-solver",
    "_generatorId": "arithmetic-generator-v7.2.1"
}